| Special Bridge Conditions Legend |
| ! | Confirmed demolition date within one year or an especially historic bridge that is threatened with demolition at any level. |
| X | The bridge has been confirmed demolished or collapsed. |
| S | The bridge has been dismantled or moved to an offsite location and is not currently available for public viewing. |
| L | Most or all of the original bridge material has been demolished and replaced, including historically significant elements, but some original parts of the bridge remain. |
| Note: This website cannot guarantee the current condition of any bridge on this website. Bridges lacking these icons should not necessarily be considered condition-free. |
| Bridge Name | Facility Carried / Feature Intersected | Location | Structure Type | Structure Dimensions | Construction Date / Builder or Contractor | Description | Thumbnail |
CA-4 Old River Bridge
| CA-4 (California Delta Highway, Marengo Road) Over Old River | Rural: Contra Costa County, California and San Joaquin County, California | Metal Rivet-Connected Pratt Through Truss, Movable: Swing |
Total Length: 528 ft Main Span Length: 132 ft Roadway Width: 19.4 ft Main Spans: 1 |
1915 By: Tibbitts-Pacific Company of San Francisco, California | This is one of several attractive historic swing bridges along this stretch of CA-4 leading to Stockton. | 
| ! |
Lion Bridge
7th Street Bridge | 7th Street Over Toulumne River | Modesto: Stanislaus County, California | Concrete Closed Spandrel Deck Arch, Fixed |
Total Length: 1170 ft Main Span Length: 101 ft Roadway Width: 24.3 ft Main Spans: 14 |
1916 By: C. E. Cotton | One of the largest ever built, this is also one of the last examples of a very unusual "canticrete" type concrete arch bridge. | 
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Sierra Boulevard Bridge
| Sierra Boulevard Over Railroad (Union Pacific) and Roseville Street | Roseville: Placer County, California | Concrete Rainbow Through Arch, Fixed |
Total Length: 364 ft Main Span Length: 87 ft Roadway Width: 21.7 ft Main Spans: 1 |
1929 By: Jenkins and Anderson | This rare rainbow arch bridge is also noted for its long curved approach system. | 
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Blackford Road Bridge
| Blackford Road Over Bear River Camp Far West Wier | Rural: Yuba County, California | Metal Pin-Connected Pennsylvania Through Truss, Fixed |
Total Length: 310 ft Main Span Length: 303 ft Roadway Width: 18 ft Main Spans: 1 |
1916 By: Unknown | This unique bridge has vertical end posts giving it a distinctive appearance. | 
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Knights Landing Bridge
| CA-113 Over Sacramento River | Knights Landing: Sutter County, California and Yolo County, California | Metal Rivet-Connected Warren Railing Height Truss, Movable: Bascule |
Total Length: 407.2 ft Main Span Length: 208 ft Roadway Width: 24 ft Main Spans: 1 |
1933 By: Rocca and Caletti of San Rafael, California | This bridge with its notable camber is an uncommon example of a railing height truss bascule bridge. | 
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Spring Mountain Creek Bridge
| Private Drive Over Spring Mountain Creek | Rural: Napa County, California | Metal Deck Arch, Fixed | Main Spans: 1 | By: Unknown | This bridge is one of the only known surviving examples in North America of a cast iron arch bridge. | 
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Winters Railroad Bridge
J. Robert Chapman Memorial Bridge | Railroad (Rail-Trail) Over Putah Creek | Winters: Solano County, California and Yolo County, California | Metal Rivet-Connected Pratt Through Truss, Fixed |
Total Length: 368 ft Main Spans: 3 |
1906 By: Unknown | This attractive and historic railroad truss bridge was converted for pedestrian use. | 
| ! |
Winters Bridge
| Winters Road (Railroad Avenue) Over Putah Creek | Winters: Solano County, California and Yolo County, California | Concrete Closed Spandrel Deck Arch, Fixed |
Total Length: 447 ft Main Span Length: 123 ft Roadway Width: 22 ft Main Spans: 3 |
1907 By: W. N. Concanon Company of San Francisco, California | This early example of a concrete arch bridge was allowed to deteriorate, then condemned to demolition and replacement. | 
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Rumsey Bridge
| CR-41 Over Cache Creek | Rural: Yolo County, California | Concrete Rainbow Through Arch, Fixed |
Total Length: 313 ft Main Span Length: 108 ft Roadway Width: 20.3 ft Main Spans: 2 |
1930 By: Unknown | This is an impressive two span rainbow arch located in a scenic valley on a rural road. | 
|
Jibboom Street Bridge
| Jibboom Street (Discovery Park Road) Over American River | Sacramento: Sacramento County, California | Metal Rivet-Connected Pratt Through Truss, Fixed |
Total Length: 959 ft Main Span Length: 161 ft Roadway Width: 24 ft Main Spans: 1 |
1931 By: Lord and Bishop | This attractive swing bridge is the centerpiece of a park setting. | 
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Jibboom Street Ramp Bridge
| Jibboom Street Over Sacramento River | Sacramento: Sacramento County, California | Metal Pin and Hanger Stringer (Multi-Beam), Fixed |
Total Length: 850 ft Main Span Length: 80 ft Roadway Width: 23.3 ft Main Spans: 1 |
1936 By: Unknown | With its unusual bents for support, this bridge provides a ramp approach to the historic I Street Bridge. | 
| ! |
I Street Bridge
| I Street and Railroad (Southern Pacific) Over Sacramento River | Sacramento and West Sacramento: Sacramento County, California and Yolo County, California | Metal Rivet-Connected Baltimore Through Truss, Movable: Swing |
Total Length: 854 ft Main Span Length: 195 ft Roadway Width: 18 ft Main Spans: 1 |
1911 By: American Bridge Company of New York, New York | This is a rare example of a double deck swing bridge, as it carries highway on top and railroad below. | 
|
Tower Bridge
| M Street Over Sacramento River | Sacramento and West Sacramento: Sacramento County, California and Yolo County, California | Metal Rivet-Connected Pratt Through Truss, Movable: Vertical Lift |
Total Length: 738 ft Main Span Length: 209 ft Roadway Width: 51.8 ft Main Spans: 1 |
1934 By: Consolidated Steel Company of Los Angeles, California | This landmark lift bridge with its striking gold paint has strong Streamline Moderne art deco details and provides a gateway leading to and from the state Capitol. | 
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Walnut Grove Bridge
| Walnut Grove Crossing Over Sacramento River | Walnut Grove: Sacramento County, California | Metal Rivet-Connected Pratt Through Truss, Movable: Bascule |
Total Length: 302 ft Main Span Length: 226 ft Roadway Width: 24 ft Main Spans: 1 |
1951 By: Consolidated Western Steel Corporation of Los Angeles, California | This is a late example of a heel-trunnion bascule bridge, but it retains many of the details of earlier examples. | 
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Freeport Bridge
| Freeport Bridge Road Over Sacramento River | Sacramento: Sacramento County, California and Yolo County, California | Metal Rivet-Connected Pratt Through Truss, Movable: Bascule |
Total Length: 652.6 ft Main Span Length: 226 ft Roadway Width: 21 ft Main Spans: 3 |
1929 By: C. J. Nystedt | This heel-trunnion bascule bridge has towers that were designed to also function as substantial approach spans. | 
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Isleton Bridge
| CA-160 Over Sacramento River | Rural: Sacramento County, California | Metal Rivet-Connected Pratt Through Truss, Movable: Bascule |
Total Length: 624 ft Main Span Length: 226 ft Roadway Width: 17.7 ft Main Spans: 3 |
1923 By: Jenkins and Elton of Sacramento, California | With its two rare rainbow arch spans and a steel heel-trunnion truss bascule span, this is a unique combination of concrete and steel. | 
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Steamboat Slough Bridge
| CA-160 Over Steamboat Slough | Rural: Sacramento County, California | Metal Rivet-Connected Pratt Through Truss, Movable: Bascule |
Total Length: 343 ft Main Span Length: 226 ft Roadway Width: 18 ft Main Spans: 3 |
1924 By: Nystedt and Isham | This is a good example of a Strauss heel-trunnion bascule bridge with little alteration to the truss. | 
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Paintersville Bridge
| CA-160 Over Sacramento River | Rural: Sacramento County, California | Metal Rivet-Connected Pratt Through Truss, Movable: Bascule |
Total Length: 588 ft Main Span Length: 226 ft Roadway Width: 17.4 ft Main Spans: 3 |
1923 By: Moore Dry Dock Company of Oakland, California | With fixed through truss approach spans and an impressive main bascule span, this is a nice looking example of a significant bascule type. | 
| ! |
Watmaugh Road Bridge
Hopke Bridge | Watmaugh Road Over Sonoma Creek | Rural: Sonoma County, California | Metal Rivet-Connected Polygonal Warren Through Truss, Fixed |
Total Length: 170 ft Main Span Length: 103 ft Roadway Width: 22.3 ft Main Spans: 1 |
1929 By: W. L. Proctor of Santa Rosa, California | Despite its decent physical condition, widespread local preservation support, and previous preservation work, this unusual pony truss bridge is to be demolished! | 
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Healdsburg Railroad Bridge
| Railroad (Northwestern Pacific) Over Russian River | Healdsburg: Sonoma County, California | Metal Pin-Connected Camelback Through Truss, Fixed |
Total Length: 375 ft Main Span Length: 181 ft Main Spans: 1 |
1921 By: Unknown | This interesting railroad bridge has two distinctly different span designs. | 
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Healdsburg Memorial Bridge
Redwood Highway Bridge | Healdsburg Avenue (Former Redwood Highway) Over Russian River | Healdsburg: Sonoma County, California | Metal Pin-Connected Pennsylvania Through Truss, Fixed |
Total Length: 438 ft Main Span Length: 198 ft Roadway Width: 21 ft Main Spans: 2 |
1921 By: American Bridge Company of New York, New York | This magnificent bridge is a centerpiece and gateway for Healdsburg and is being preserved for future generations to enjoy. | 
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Gualala Road Bridge
| Gualala Road Over North Fork Gualala River | Rural: Mendocino County, California | Metal Pin-Connected Pratt Through Truss, Fixed |
Total Length: 187 ft Main Span Length: 130 ft Roadway Width: 10.5 ft Main Spans: 1 |
By: Unknown | This bridge is a hidden treasure on a winding, extremely rural road through a redwood forest. | 
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Haupt Creek Bridge
Stewarts Point - Skaggs Springs Road Bridge | Stewarts Point - Skaggs Springs Road Over Haupt Creek | Rural: Sonoma County, California | Metal Pin-Connected Pratt Through Truss, Fixed |
Total Length: 134 ft Main Span Length: 130 ft Roadway Width: 13 ft Main Spans: 1 |
By: Unknown | This extremely rare Phoenix column truss bridge is surrounded by redwood trees on this scenic rural road. | 
| ! |
Geysers Road Bridge
| Geysers Road Over Big Sulphur Creek | Rural: Sonoma County, California | Metal Pin-Connected Pratt Through Truss, Fixed |
Total Length: 149 ft Main Span Length: 130 ft Roadway Width: 13 ft Main Spans: 1 |
By: Unknown | This beautiful and rare bridge with Phoenix columns is hidden away on an extremely rural and highly scenic road. | 
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Grove Way Bridge
| Grove Way Over San Lorenzo Creek | San Francisco: San Francisco County, California | Concrete Curved Chord Through Girder, Fixed |
Total Length: 63 ft Main Span Length: 60 ft Roadway Width: 25 ft Main Spans: 1 |
1915 By: Thomas B. Russell of Hayward, California | This rare curved chord through girder bridge is noted for its early construction date as well as its span length. | 
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Benicia - Martinez Railroad Bridge
Southern Pacific Railroad Bridge | Railroad (Union Pacific) Over Carquinez Strait (Suisun Bay) | Martinez and Benicia: Contra Costa, California and Solano County, California | Metal Rivet-Connected Polygonal Warren Through Truss, Movable: Vertical Lift | Main Spans: 1 | 1930 By: Unknown | This difficult to photograph historic bridge is a very long structure with a variety of span types and is sandwiched between two highway bridges.. | 
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Benicia - Martinez Bridge
George Miller Jr. Memorial Bridge | I-680 Southbound Over Carquinez Strait, Bayshore Road, and Railroad | Martinez and Benicia: Contra Costa, California and Solano County, California | Metal Bolt-Connected Warren Deck Truss, Fixed |
Total Length: 6215 ft Main Span Length: 528 ft Roadway Width: 60.7 ft Main Spans: 10 |
1962 By: Yuba Consolidated Industries | This bridge is a late, but very long example of a continuous deck truss. | 
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Carquinez Bridge
Eastbound I-80 Bridge | I-80 (Eastbound) Over Carquinez Strait and Railroad (Union Pacific) | Crockett and Vallejo: Contra Costa, California and Solano County, California | Metal Bolt-Connected Baltimore Through Truss, Fixed |
Total Length: 5209 ft Main Span Length: 1100 ft Roadway Width: 51.8 ft Main Spans: 5 |
1958 By: American Bridge Company of New York, New York | This large cantilever bridge takes on the overall shape of an earlier, now-demolished cantilever truss, but instead displays period construction details. | 
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3rd Street Islais Creek Bridge
Levon Hagop Nishkian Bridge | 3rd Street Over Islais Creek | San Francisco: San Francisco County, California | Metal Through Girder, Movable: Bascule |
Total Length: 120 ft Main Span Length: 105 ft Roadway Width: 68.2 ft Main Spans: 1 |
1945 By: Unknown | This wide bascule with three girder lines has racks that extend above the deck. | 
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4th Street Bridge
Peter R. Maloney Bridge | 4th Street Over China Basin | San Francisco: San Francisco County, California | Metal Rivet-Connected Warren Pony Truss, Movable: Bascule |
Total Length: 205 ft Main Span Length: 94 ft Roadway Width: 40 ft Main Spans: 1 |
1916 By: Unknown | This bridge is an early and rare example of a Strauss vertical overhead counterweight type bascule. | 
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3rd Street Bridge
Lefty O'Doul Bridge | 3rd Street Over China Basin | San Francisco: San Francisco County, California | Metal Rivet-Connected Pratt Through Truss, Movable: Bascule |
Total Length: 295 ft Main Span Length: 143 ft Roadway Width: 71.5 ft Main Spans: 1 |
1933 By: Barrett and Hilp of San Francisco, California | This Strauss heel-trunnion bascule bridge has an extra section of roadway cantilevered out from one side of the bridge. | 
| ! |
Fruitvale Avenue Railroad Bridge
| Railroad (Union Pacific, Former Southern Pacific) Over Oakland Estuary | Alameda: Alameda County, California | Metal Rivet-Connected Modified Warren (Subdivided) Through Truss, Movable: Vertical Lift |
Main Span Length: 200 ft Roadway Width: 25.6 ft Main Spans: 1 |
1951 By: Judson Pacific Murphy Company | This attractive lift bridge has very slender towers. | 
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Park Street Bridge
| Park Street Over Oakland Estuary | Alameda: Alameda County, California | Metal Rivet-Connected Pratt Through Truss, Movable: Bascule |
Total Length: 433 ft Main Span Length: 285.4 ft Roadway Width: 64.6 ft Main Spans: 1 |
1935 By: Mac Donald and Kahn of Los Angeles, California | Associated with Depression era relief programs, this is the wider of two nice looking historic bascule bridges in Alameda. | 
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High Street Bridge
| High Street Over Oakland Estuary | Alameda: Alameda County, California | Metal Rivet-Connected Pratt Through Truss, Movable: Bascule |
Total Length: 505 ft Main Span Length: 295 ft Roadway Width: 24 ft Main Spans: 1 |
1939 By: Mac Donald and Kahn of Los Angeles, California | Associated with Depression era relief programs, this is the more narrow of two nice looking historic bascule bridges in Alameda. | 
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Richmond - San Rafael Bridge
John F. McCarthy Memorial Bridge | I-580 Over San Francisco Bay | Richmond and San Rafael: Contra Costa, California and Marin County, California | Metal Rivet-Connected Warren Through Truss, Fixed |
Total Length: 21346 ft Main Span Length: 1087 ft Roadway Width: 72.2 ft Main Spans: 6 |
1956 By: Judson Pacific Murphy-Kiewit | This extremely long bridge is noted for its curved path, double-deck configuration, and pair of cantilever spans. | 
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Main Drive Bridge
Tunnel Under Main Drive | Main Drive (Middle Drive, Nanci Pelosi Drive) Over Pedestrian Walkway | San Francisco: San Francisco County, California | Concrete Closed Spandrel Deck Arch, Fixed | Main Spans: 1 | 1894 By: Unknown | This structure that carries a highway over a park walkway appears to be an extremely old concrete structure. | 
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Sloat Boulevard Bridge
| Sloat Boulevard (CA-35) Over Sunset Boulevard | San Francisco: San Francisco County, California | Concrete Curved T-Beam, Fixed |
Total Length: 240 ft Main Span Length: 65 ft Roadway Width: 88 ft Main Spans: 6 |
1931 By: Unknown | This bridge is an attractive and unaltered example of a 1930s highway over highway grade separation. | 
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Lincoln Way Bridge
| Lincoln Way Over Sunset Boulevard | San Francisco: San Francisco County, California | Concrete Curved T-Beam, Fixed |
Total Length: 240 ft Main Span Length: 65 ft Roadway Width: 59 ft Main Spans: 4 |
1932 By: F. C. Amoroso and Sons of San Francisco, California | This bridge is an attractive and unaltered example of a 1930s highway over highway grade separation. | 
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Rustic Stone Bridge
South Stow Lake Bridge | Pedestrian Walkway Over Stow Lake | San Francisco: San Francisco County, California | Stone Segmental Deck Arch, Fixed | Main Spans: 2 | 1893 By: Unknown | This bridge has a brick barrel and is faced in large, random rocks giving the bridge a unique appearance. | 
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Roman Bridge
North Stow Lake Bridge | Pedestrian Walkway Over Stow Lake | San Francisco: San Francisco County, California | Concrete Closed Spandrel Deck Arch, Fixed | Main Spans: 1 | 1893 By: Gray Brothers Artificial Stone Paving Company of San Francisco, California | This is among the oldest surviving concrete bridges, yet it has a strikingly modern, streamlined appearance. | 
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Alvord Lake Bridge
Kezar Drive Bridge | Kezar Drive Over Pedestrian Walkway | San Francisco: San Francisco County, California | Concrete Closed Spandrel Deck Arch, Fixed |
Main Span Length: 29 ft Roadway Width: 64 ft Main Spans: 1 |
1889 By: Unknown | This small bridge has national significance as the oldest reinforced concrete bridge in the entire country! | 
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Richland Avenue Bridge
| Richland Avenue Over San Jose Avenue and Railroad | San Francisco: San Francisco County, California | Concrete T-Beam, Fixed |
Total Length: 235 ft Main Span Length: 121 ft Roadway Width: 28 ft Main Spans: 3 |
1927 By: Unknown | This is one of two nearby similar overpasses that are impressive t-beam structures with an unusual alteration. | 
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Highland Street Bridge
| Highland Street Over San Jose Avenue and Railroad | San Francisco: San Francisco County, California | Concrete T-Beam, Fixed |
Total Length: 206 ft Main Span Length: 121 ft Roadway Width: 28 ft Main Spans: 3 |
1930 By: Unknown | This is one of two nearby similar overpasses that are impressive t-beam structures with an unusual alteration. | 
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Harrison Street Bridge
| Harrison Street Over Beale Street | San Francisco: San Francisco County, California | Concrete Curved T-Beam, Fixed |
Total Length: 181 ft Main Span Length: 83 ft Roadway Width: 66.6 ft Main Spans: 3 |
1936 By: Unknown | This is a nice looking curved t-beam overpass hidden right in downtown San Francisco. | 
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Evans Avenue Bridge
| Evans Avenue Over Storage Area and Parking Lot | San Francisco: San Francisco County, California | Concrete Curved T-Beam, Fixed |
Total Length: 108 ft Main Span Length: 54 ft Roadway Width: 64 ft Main Spans: 3 |
1947 By: Unknown | This is an attractive continuous concrete curved t-beam bridge. | 
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Alemany Boulevard Bridge
| Alemany Boulevard Over CA-1 (Cabrillo Highway) | San Francisco: San Francisco County, California | Concrete Deck Girder, Fixed |
Total Length: 989 ft Main Span Length: 79 ft Roadway Width: 24.6 ft Main Spans: 12 |
1950 By: Unknown | This is an unusual bridge with its curved, cantilevered concrete girders. | 
| X |
Doyle Drive Bridge
Presidio Viaduct | Doyle Drive (Presidio Parkway) Over Crissy Field Avenue and Valley | San Francisco: San Francisco County, California | Metal Rivet-Connected Pratt Deck Truss, Fixed |
Total Length: 1521 ft Main Span Length: 134.8 ft Roadway Width: 60 ft Main Spans: 8 |
1936 By: Eaton and Smith | Literally a part of the project to construct the Golden Gate Bridge, this significance did not spare this impressive deck truss from the dumpster. | 
| X |
Baltimore and Ohio Calumet River Railroad Bridge
| Railroad (Baltimore and Ohio) Over Calumet River | Chicago: Cook County, Illinois | Metal Rivet-Connected Modified Warren (Subdivided) Through Truss, Movable: Bascule |
Main Span Length: 235 ft Main Spans: 1 |
1913 By: Unknown | Only the counterweight and mechanical frame of this bridge remains after being hit by a boat in 1988. | 
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