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| 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. |
| 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 | Construction Date / Builder or Contractor | Description | Thumbnail |
10th Street Bridge
| 10th Street Over Black River | Port Huron: St. Clair County, Michigan | Metal Deck Girder, Movable: Bascule | 1958 By: Walter Toebe Company | This bascule bridge was built in the 1950s and has had its original railings replaced. |
24th Street Railroad Overpass
| Railroad (Canadian National) Over 24th Street | Port Huron: St. Clair County, Michigan | Metal Stringer, Stationary | 1925 By: Unknown | An old Grand Trunk Western Railroad overpass |
7th Street Bridge
| 7th Street Over Black River | Port Huron: St. Clair County, Michigan | Metal Deck Girder, Movable: Bascule | 1933 By: Wisconsin Bridge and Iron Company of Milwaukee, Wisconsin | Take a tour of the inside of the only single leaf bascule bridge in Michigan, which was built in the 1930s. |
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Bailey Road Bridge and Norman Road Driveways
| Various Over Local Drains | Rural: St. Clair County, Michigan | Metal Stringer, Stationary | 0 By: Unknown | Tiny, simple bridges offer a glimpse into the past. |
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Belle River Railroad Bridge
| Railroad (Canadian National) Over Belle River | Rural: St. Clair County, Michigan | Metal Deck Girder, Stationary | 1927 By: American Bridge Company of New York, New York | A good example of 1920s plate girder construction. |
Black River Railroad Bridge
| Railroad (Canadian National) Over Black River | Port Huron: St. Clair County, Michigan | Metal Through Girder, Movable: Bascule | 1929 By: Wisconsin Bridge and Iron Company of Milwaukee, Wisconsin | A 1929 plate girder bascule that is still in use. |
Blue Water Bridge
Original/Westbound Span | I-69 and I-94 / KH-402 Over St. Clair River | Port Huron and Sarnia (Point Edward): St. Clair County, Michigan and Lambton County, Ontario | Metal Riveted Cantilever Through Truss, Stationary | 1938 By: American Bridge Company of New York, New York | Designed by Modjeski and Masters, this monumental bridge features an extremely rare shape of cantilever and continues to carry unimaginable traffic. |
Braidwood Road Bridge
| Braidwood Road Over Belle River | Rural: St. Clair County, Michigan | Metal Stringer, Stationary | 1940 By: J. H. Baker and Sons of Port Huron, Michigan | A complete example of a 1940s beam bridge. |
Bryce Road Bridge
| Bryce Road Over Pine River | Rural: St. Clair County, Michigan | Metal Stringer, Stationary | 1923 By: Unknown | This relatively old steel stringer bridge is skewed and features good historic integrity. |
Burns Road Culvert
| Burns Road Over Local Drain | Rural: St. Clair County, Michigan | Metal Riveted Warren Pony Truss, Stationary | 0 By: Unknown | The railings on this culvert look like they came from a light-weight truss bridge. |
Capac Road Bridge
| Capac Road Over Belle River | Rural: St. Clair County, Michigan | Metal Riveted Warren Pony Truss, Stationary | 0 By: Unknown | This bridge is now sitting on private property next to its replacement slab. | X |
Capac Road Bridge
| Capac Road Over North Branch Mill Creek | Rural: St. Clair County, Michigan | Concrete Through Girder, Stationary | 1938 By: Unknown | An extremely well preserved example of a standard concrete girder bridge. |
Chartier Road Bridge
| Chartier Road Over Marine City Dredge Cut | Rural: St. Clair County, Michigan | Concrete Through Girder, Stationary | 1923 By: A. Tenniswood of Yale, Michigan | This bridge retains excellent historic integrity and is an example of a threatened bridge type. |
Comstock Road Bridge
| Comstock Road Over Silver Creek | Rural: St. Clair County, Michigan | Metal Stringer, Stationary | 1939 By: Unknown | A 1930s/40s style beam bridge was partially restored. |
Cove Road Bridge
| Cove Road Over Unnamed Creek | Rural: St. Clair County, Michigan | Concrete T-Beam, Stationary | 1921 By: Unknown | This is a good example of small-scale t-beam construction in Michigan. | X |
Division Road Bridge
| Division Road Over Belle River | Rural: St. Clair County, Michigan | Metal Stringer, Stationary | 1941 By: Unknown | This was one of the larger examples of this design of stringer bridge. |
Fisher Road Birch Creek Bridge
| Fisher Road Over Birch Creek | Rural: St. Clair County, Michigan | Metal Stringer, Stationary | 1931 By: Meredith Construction Company | A good example of a 1930s stringer bridge in Michigan, this structure is in remarkably good condition. |
Fisher Road Black River Bridge
| Fisher Road Over Black River | Rural: St. Clair County, Michigan | Metal Stringer, Stationary | 1928 By: Unknown | This once-attractive bridge has been so heavilly altered it no longer is beautiful or historic. |
Fisher Road Bridges
| Fisher Road Over Various Creeks and Drains | Rural: St. Clair County, Michigan | Concrete Slab, Stationary | 1935 By: Unknown | A general review of a series of tiny bridges on Fisher Road, which collectively document the structure design quite well. | X |
Ford Road Bridge
Old Iron Bridge | Ford Road Over Prices Creek | Rural: St. Clair County, Michigan | Metal Pinned Pratt Through Truss, Stationary | 0 By: Unknown | This locally well known and memorable through truss collapsed during a flood in 2002. |
| X |
Fred Moore Highway Bridge
| Fred Moore Highway Over Pine River | St. Clair: St. Clair County, Michigan | Metal Stringer, Stationary | 1960 By: Unknown | Although its superstructure was considered satisfactory by the national bridge inventory at the time, this bridge was demolished. | S |
Frith Road Bridge
| Frith Road Over Pine River | Rural: St. Clair County, Michigan | Metal Pinned Pratt Through Truss, Stationary | 0 By: Unknown | While the fact that this beautiful bridge will be restored in Historic Bridge Park is good news, the people of the Bluewater area have been deprived of a real treasure. |
Frith Road Private Bridge
| Private Drive Over Smiths Creek | Rural: St. Clair County, Michigan | Metal Pinned Pratt Full-Slope Pony Truss, Stationary | 0 By: Unknown | A small, old, rare pony truss that has moved two times. |
Goodells Road Moore Creek Bridge
| Goodells Road Over Moore Creek | Rural: St. Clair County, Michigan | Concrete Through Girder, Stationary | 1920 By: Unknown | A variation of the standard through girder bridge design in Michigan. |
Goodells Road Pine River Bridge
| Goodells Road Over Branch Pine River | Goodells: St. Clair County, Michigan | Concrete Through Girder, Stationary | 1916 By: Unknown | An old example of the standard through girder bridge design for Michigan. |
Gratiot Avenue Belle River Bridge
| Gratiot Avenue Over Belle River | Rural: St. Clair County, Michigan | Metal Stringer, Stationary | 1931 By: H.G. Christman Burke Company | A remnant of the US-25 days of Gratiot Avenue, this bridge also plays a role in a larger story involving several historic bridges. |
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Gratiot Avenue Pine River Bridge
| Gratiot Avenue Over Pine River | Rural: St. Clair County, Michigan | Metal Stringer, Stationary | 1931 By: E. C. Nolan and Son | A remnant of the US-25 days of Gratiot Avenue, this bridge displays the width of a road that was once three lanes rather than two. |
Griswold Road Bridge
| Griswold Road Over Pine River | Rural: St. Clair County, Michigan | Concrete 90 Foot Plan Curved Chord Through Girder, Stationary | 1925 By: Unknown | Although the deck was repaired, this once-proud structure has experienced severe spalling of its concrete girders. |
I-94 / I-69 Black River Bridge
| I-69 / I-94 Over Black River and Riverside Drive | Port Huron: St. Clair County, Michigan | Metal Deck Girder, Stationary | 1950 By: Fry and Cain / Walter Toebe Company | A decent looking expressway bridge which is threatened with destruction. | S |
Indian Trail Bridge
Radike Mills Bridge | Indian Trail Road Over Belle River | Rural: St. Clair County, Michigan | Metal Riveted Polygonal Warren Pony Truss, Stationary | 1937 By: Couse and Saunders | An extremely rare and beautiful example of its type in Michigan, with a rich, documented history. |
Jeddo Road Mill Creek Bridge
| Jeddo Road Over Mill Creek | Rural: St. Clair County, Michigan | Metal Stringer, Stationary | 1939 By: Marshall Campbell of Port Huron, Michigan | This bridge retains excellent historic integrity and is a Depression era bridge. | X |
Jeddo Road Silver Creek Bridge
| Jeddo Road Over Silver Creek | Rural: St. Clair County, Michigan | Metal Stringer, Stationary | 1920 By: Unknown | A relatively long example of a lattice guardrail beam bridge. |
Kilburn Road Bridge
| Kilburn Road Over Plum Creek | Rural: St. Clair County, Michigan | Metal Stringer, Stationary | 1922 By: Unknown | A small beam bridge in a picturesque setting. |
Lakeshore Drive Bridge
| Lakeshore Drive Over Carrigan Drain | Near Port Huron: St. Clair County, Michigan | Concrete T-Beam, Stationary | 1936 By: Unknown | This bridge was widened in 1947 and is a great example of why details matter with bridges. |
Lambs Road Bridge
| Lambs Road Over Smiths Creek (Spencer Drain) | Rural: St. Clair County, Michigan | Concrete T-Beam, Stationary | 1922 By: Unknown | An example of small-scale t-beam construction, a structure type that today is taken over by culverts. |
Masters Road Bridge
| Masters Road Over Belle River | Rural: St. Clair County, Michigan | Metal Stringer, Stationary | 1935 By: J.H. Baker and Sons | A 1930s depression relief funded bridge. |
Mayer Road Driveway Bridge
| Private Driveway Over Smiths Creek | Rural: St. Clair County, Michigan | Metal Pinned Pratt Through Truss, Stationary | 1906 By: Joliet Bridge and Iron Company of Joliet, Illinois | An attractive pony truss with riveted connections adds character to a driveway. |
Military Street Bridge
| Military Street (BL 69/94) Over Black River | Port Huron: St. Clair County, Michigan | Non-Historic, Movable: Bascule | 1991 By: Unknown | A non-historical bascule bridge tour to compare to the historic Seventh Street Bridge also in Port Huron. |
Military Street Railroad Overpass
| Military Street (BL-94) Over Railroad (Abandoned CSX) | Port Huron: St. Clair County, Michigan | Metal Through Girder, Stationary | 1949 By: L. W. Lamb Company of Jackson, Michigan | A rare highway plate girder, with modified sidewalk railings. |
Mill Creek Railroad Bridge
| Railroad (Wadhams-Avoca Rail-Trail) Over Mill Creek | Rural: St. Clair County, Michigan | Metal Pinned Lenticular Deck Truss, Stationary | 0 By: Unknown | Among the largest deck truss bridges in Michigan, is this impressive, extremely unusual structure. | X |
O'Neil Road Bridge
| O'Neil Road Over South Branch Pine River | Rural: St. Clair County, Michigan | Metal Stringer, Stationary | 1930 By: Unknown | A tiny wooden decked beam bridge that was known for blending in with its surroundings. |
Old Fred Moore Highway Bridge
| Fred Moore Highway (Old Alignment) Over Pine River | St. Clair: St. Clair County, Michigan | Concrete Deck Girder, Stationary | 0 By: Unknown | An attractive and very unusual design in Michigan, this bridge now serves a bike path, with modern guardrails ruining the originals. |
Pine River CN Railroad Bridge
| Railroad (Canadian National) Over Pine River | Rural: St. Clair County, Michigan | Metal Deck Girder, Stationary | 0 By: Unknown | A two span deck plate girder with many modifications |
Pointe Drive Bridge
| Pointe Drive Over Unnamed Canal | Rural: St. Clair County, Michigan | Concrete Through Girder, Stationary | 1938 By: Hill and Belknap | A former trunk line bridge built to a Michigan standard girder bridge plan. |
Port Huron Railroad Bridge
| Railroad (Abandoned CSX) Over Black River | Port Huron: St. Clair County, Michigan | Metal Riveted Warren Through Truss, Movable: Bascule | 1931 By: American Bridge Company of New York, New York | Unused for many years, this historically important truss bascule is an now just a large landmark. | X |
Rattle Run Road Bridge
Clinton Avenue Bridge | Rattle Run Road (Clinton Avenue) Over Pine River | Near St. Clair: St. Clair County, Michigan | Metal Stringer, Stationary | 1931 By: Brenaman Corporation | Bridges of this design in Michigan are slowly disappearing off of today's roadways. | ! |
Richman Road Bridge
| Richman Road Over Smiths Creek | Rural: St. Clair County, Michigan | Metal Riveted Pratt Half-Hip Pony Truss, Stationary | 0 By: Unknown | A small Pratt pony truss in extremely bad condition sits closed and forgotten. |
Riley Center Road Bridge
| Riley Center Road Over Belle River | Riley Center: St. Clair County, Michigan | Metal Stringer, Stationary | 1935 By: Unknown | This bridge is significant for being built during the Great Depression, and also its good historic integrity. |
Rynn and Fargo Road Bridges
| Rynn and Fargo Roads Over Oloughlin Drain | Rural: St. Clair County, Michigan | Concrete Closed Spandrel Deck Arch, Stationary | 1920 By: Unknown | These tiny bridges, adjacent to each other, are St. Clair County's last concrete arch bridges. |
| X |
Shortcut Road Bridge
| Shortcut Road Over Swan Creek | Rural: St. Clair County, Michigan | Metal Stringer, Stationary | 1950 By: Unknown | This little bridge was demolished, despite its decent condition. |
Smiths Creek Bridge
| Main Street Over Smiths Creek | Smiths Creek: St. Clair County, Michigan | Concrete Through Girder, Stationary | 1922 By: Unknown | A small example of its type, in decent structural condition. |
Smiths Creek Road Bridge
| Smiths Creek Road Over Smiths Creek | Rural (Near Smiths Creek): St. Clair County, Michigan | Concrete Through Girder, Stationary | 1916 By: Unknown | One of the oldest concrete girder bridges in Michigan, this small bridge's girders have spalled severely. |
Speaker Road Bridge
| Speaker Road Over South Branch Mill Creek | Rural: St. Clair County, Michigan | Metal Pinned Parker Pony Truss, Stationary | 1908 By: Unknown | One of the most important bridges in Michigan, this structure will move to Historic Bridge Park. |
Sperry Road Bridge
| Sperry Road Over Belle River | Rural: St. Clair County, Michigan | Metal Stringer, Stationary | 1948 By: D.T. Frank | A good example of a 1940s bridge that features an uncommon railing design. |
St. Clair Highway Bridge
| St. Clair Highway Over Belle River | Rural: St. Clair County, Michigan | Metal Stringer, Stationary | 1947 By: E. C. Nolan and Son | This multi-span bridge has low clearance and rusting guardrails. |
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Vernier Street Bridge
| Vernier Street Over Swan Creek | Fairhaven: St. Clair County, Michigan | Concrete 50 Foot Plan Curved Chord Through Girder, Stationary | 1922 By: J. E. Mason | One of the oldest examples of Michigan's curved-chord through girder bridge. | ! |
Wadhams Bridge
| Wadhams Road Over Black River | Wadhams: St. Clair County, Michigan | Metal Deck Girder, Stationary | 1939 By: E. C. Nolan and Son | This relatively large bridge is an unusual structure and has also been heavily modified. | X |
Wadhams Road Bridge
| Wadhams Road Over Pine River | Rural: St. Clair County, Michigan | Concrete 70 Foot Plan Curved Chord Through Girder, Stationary | 1927 By: Walter Toebe Company | In excellent structural condition, St. Clair County chose demolition of this beautiful, nationally significant structure over a one-way couplet of bridges. | X |
Werner Road Bridge Ruins
| Werner Road Over Belle River | Rural: St. Clair County, Michigan | Metal Pinned Pratt Pony Truss, Stationary | 0 By: Unknown | This bridge has been gone for a number of years, but parts left behind tell a tale of history. |
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Yale Road Bridge
| Yale Road Over Silver Creek (Eves Drain) | Rural: St. Clair County, Michigan | Concrete 60 Foot Plan Curved Chord Through Girder, Stationary | 1920 By: Richard Adler | An example of a rare structure type unique to Michigan, this bridge is in good condition. |
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