| 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 | HSR Rating | Facility Carried / Feature Intersected | Location | Structure Type | Structure Dimensions | Construction Date / Builder or Contractor | Description | Thumbnail |
4th Street Bridge
Broadway Avenue Bridge |
 | 4th Street (Broadway Avenue) Over Railroad (Norfolk Southern) | North Irwin: Westmoreland County, Pennsylvania | Metal Continuous Deck Girder, Fixed |
Total Length: 145 ft Main Span Length: 61 ft Roadway Width: 22 ft Main Spans: 3 |
1900 By: King Bridge Company of Cleveland, Ohio | Part of a historic railroad, this plate girder is also noted for its continuous design and association with a noteworthy builder. | 
|
Avonmore Bridge
|
 | 6th Street (PA-156) Over Kiskiminetas River | Avonmore: Armstrong County, Pennsylvania and Westmoreland County, Pennsylvania | Metal 11 Panel Rivet-Connected Parker Through Truss, Fixed and Approach Spans: Metal 5 Panel Rivet-Connected Pratt Full-Slope Pony Truss, Fixed |
Total Length: 571 ft Main Span Length: 218 ft Roadway Width: 19 ft Main Spans: 2 |
1937 By: Unknown and Pennsylvania State Highway Department | This bridge is not like other 1930s truss bridges in the state... all truss parts are rolled beams. | 
|
Bairdstown Bridge
Old Blairsville Bridge |
| Market Street (PA-2002) Over Conemaugh River | Blairsville: Indiana County, Pennsylvania and Westmoreland County, Pennsylvania | Metal 20 Panel Rivet-Connected Baltimore Through Truss, Fixed and Approach Spans: Metal Through Girder, Fixed |
Total Length: 358 ft Main Span Length: 290 ft Roadway Width: 30.8 ft Main Spans: 1 |
1935 By: Freeland McHale and PA and Pennsylvania State Highway Department | This bridge features a Baltimore truss configuration unlike other period bridges in the state. | 
|
Beatty Railroad Overpass
|
 | Railroad (Norfolk Southern) Over Auction Barn Road | Rural: Westmoreland County, Pennsylvania | Stone Segmental Deck Arch, Fixed | Main Spans: 1 | By: Unknown | An attractive and traditional stone arch railroad overpass. | 
|
Belle Vernon Bridge
Speers - Belle Vernon Bridge |
 | I-70 Over Monongahela River, Railroads, and Roads | Speers and Belle Vernon: Fayette County, Pennsylvania and Washington County, Pennsylvania and Westmoreland County, Pennsylvania | Metal Cantilever (Suspended Deck) 12 Panel Rivet-Connected Warren Through Truss, Fixed and Approach Spans: Metal Cantilever 8 Panel Rivet-Connected Warren Deck Truss, Fixed |
Total Length: 2066 ft Main Span Length: 450 ft Roadway Width: 75 ft Main Spans: 3 |
1951 By: Fort Pitt Bridge Works of Pittsburgh, Pennsylvania | This graceful looking bridge is a rare example of its kind and a major pre-interstate structure now a part of I-70. | 
|
Brick Hill Road Bridge
|
 | US-22 Over Brick Hill Road | Rural: Westmoreland County, Pennsylvania | Concrete Closed Spandrel Deck Arch, Fixed |
Total Length: 32.2 ft Main Span Length: 28 ft Main Spans: 1 |
1949 By: Unknown | Although altered, this bridge is an example of an unusual form of highway overpass used in Pennsylvania. | 
|
Brush Creek Branch Railroad Bridge
|
 | Railroad (Conrail) Over Brush Creek Branch | Manor: Westmoreland County, Pennsylvania | Stone Semicircular Deck Arch, Fixed | Main Spans: 2 | By: Unknown | A tiny stone arch bridge buried in the trees. | 
|
Brush Creek Road Bridge
|
 | Brush Creek Road (PA-4012) Over Brush Creek | Manor: Westmoreland County, Pennsylvania | Concrete Closed Spandrel Deck Arch, Fixed |
Total Length: 46 ft Main Span Length: 45 ft Roadway Width: 14 ft Main Spans: 1 |
1921 By: Trimpey and Whipkey | This concrete arch bridge has attractive concrete balustrade railings. | 
|
Brush Hill Road Overpass
|
 | Pennsylvania Turnpike (I-76) Over Brush Hill Road | Westmoreland: Westmoreland County, Pennsylvania | Metal Stringer (Multi-Beam), Fixed |
Total Length: 44 ft Main Span Length: 40 ft Roadway Width: 68.2 ft Main Spans: 1 |
1952 By: Unknown | An intact example of a mid 20th Century Pennsylvania Turnpike overpass. | 
|
Buffenmeyer Road Bridge
|
| Buffenmeyer Road Over Railroad (Norfolk Southern) | Rural: Westmoreland County, Pennsylvania | Metal 7 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 93 ft Main Span Length: 93 ft Roadway Width: 18 ft Main Spans: 1 |
1906 By: American Bridge Company of New York, New York | This bridge has a flat plate-like appearance due to its design. | 
|
Carney Railroad Overpass
|
| Railroad (Norfolk Southern) Over Buffenmeyer Road | Rural: Westmoreland County, Pennsylvania | Stone Semicircular Deck Arch, Fixed | Main Spans: 1 | By: Unknown | This impressive bridge has a distinct tunnel-like feeling to it. | 
| X |
Charleroi-Monessen Bridge
|
 | Lock Street (PA-2018) Over Monongahela River | Charleroi and Monessen: Washington County, Pennsylvania and Westmoreland County, Pennsylvania | Metal 20 Panel Pin-Connected Pennsylvania Through Truss, Fixed |
Total Length: 1810 ft Main Span Length: 400 ft Roadway Width: 22.6 ft Main Spans: 3 |
1906 By: American Bridge Company of New York, New York and Emil Swensson, of Mercantile Bridge Company | A huge example of its type and is a stunning landmark, yet was targeted by PennDOT for reduction to scrap metal. | 
| ! |
Donora-Webster Bridge
|
 | 10th Street (PA-1022) Over Monongahela River | Donora and Website: Washington County, Pennsylvania and Westmoreland County, Pennsylvania | Metal 20 Panel Pin-Connected Pennsylvania Through Truss, Fixed |
Total Length: 1547 ft Main Span Length: 518 ft Roadway Width: 22.6 ft Main Spans: 5 |
1908 By: Toledo-Massillon Bridge Company of Toledo, Ohio (W. Wylie) | This bridge is one of the most stunning landmark bridges in southwestern Pennsylvania, yet will likely be demolished. | 
| X |
Eaton Road Bridge
|
 | Eaton Road (PA-982) Over Loyalhanna Creek | Near Latrobe: Westmoreland County, Pennsylvania | Metal 10 Panel Multiple-Type-Connected Polygonal Warren Pony Truss, Fixed |
Total Length: 259 ft Main Span Length: 126 ft Roadway Width: 27 ft Main Spans: 2 |
1931 By: Unknown | This bridge is very unusual because the bottom chord connections to the lower gusset plates are pinned. | 
|
George Westinghouse Bridge
|
 | US-30 (Lincoln Highway) Over Turtle Creek, Railroad, Tri Boro Expressway, and Braddock Avenue | East Pittsburgh: Westmoreland County, Pennsylvania | Concrete Open Spandrel Deck Arch, Fixed |
Total Length: 1524 ft Main Span Length: 460 ft Roadway Width: 48 ft Main Spans: 5 |
1931 By: Booth and Flinn Company of Pittsburgh, Pennsylvania and Allegheny County Department of Public Works | This enormous and famous bridge had the longest concrete arch span in the world when first built. | 
|
Irwin Viaduct
|
 | US-30 Over Tinkers Run and Main Street | Irwin: Westmoreland County, Pennsylvania | Metal Continuous Stringer (Multi-Beam), Fixed |
Total Length: 524 ft Main Span Length: 75 ft Roadway Width: 50 ft Main Spans: 8 |
1939 By: Unknown and Pennsylvania State Highway Department | This viaduct is noted for its continuous design and use of rolled H section. | 
|
Larimer Bridge
|
| Water Street (PA-993) Over Brush Creek | Larimer: Westmoreland County, Pennsylvania | Metal 7 Panel Rivet-Connected Pratt Through Truss, Fixed |
Total Length: 147 ft Main Span Length: 146 ft Roadway Width: 21 ft Main Spans: 1 |
1937 By: Unknown and Pennsylvania State Highway Department | This bridge with its heavy skew has been painted an eye-catching yellow. | 
|
Leechburg Bridge
|
| Third Street (PA-4093) Over Kiskiminetas River | Leechburg: Armstrong County, Pennsylvania and Westmoreland County, Pennsylvania | Metal 11 Panel Rivet-Connected Parker Through Truss, Fixed and Approach Spans: Metal Through Girder, Fixed |
Total Length: 669 ft Main Span Length: 340 ft Roadway Width: 32.2 ft Main Spans: 1 |
1935 By: Unknown and Pennsylvania State Highway Department | The pleasingly complex geometry of this bridge forms a gateway into Leechburg. | 
|
Leechburg Bridge North
|
 | Mill Bridge Road Over Kiskiminetas River | Leechburg: Armstrong County, Pennsylvania and Westmoreland County, Pennsylvania | Metal 6 Panel Rivet-Connected Pratt Through Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 704 ft Main Span Length: 149 ft Roadway Width: 21.7 ft Main Spans: 4 |
1938 By: Unknown and Pennsylvania State Highway Department | This skewed bridge offers striking views from beside the bridge. | 
| ! |
Leger Road Bridge
SR 4019 Bridge |
 | Leger Road (PA-4019) Over Railroad (Norfolk Southern) | Ardara: Westmoreland County, Pennsylvania | Metal 5 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 120 ft Main Span Length: 63 ft Roadway Width: 15.7 ft Main Spans: 1 |
1902 By: American Bridge Company of New York, New York and Pennsylvania Railroad | PennDOT chose to demolish this unique truss bridge along with its ornate cast iron railing posts. | 
|
Leger Road Brush Creek Bridge
|
| Leger Road (PA-4019) Over Brush Creek | Rural: Westmoreland County, Pennsylvania | Concrete Closed Spandrel Deck Arch, Fixed |
Total Length: 65 ft Main Span Length: 61 ft Roadway Width: 13.5 ft Main Spans: 1 |
1909 By: H. Geary and C. F. Murray | This is an early surviving example of a concrete arch bridge in Pennsylvania. | 
| X |
Monastery Drive Bridge
|
| Monastery Drive Over Railroad (Norfolk Southern) | Rural: Westmoreland County, Pennsylvania | Metal Pin-Connected Double-Intersection Warren Deck Truss, Fixed and Approach Spans: Metal Deck Girder, Fixed |
Total Length: 228 ft Main Span Length: 157.2 ft Roadway Width: 18.4 ft Main Spans: 1 |
1890 By: Unknown | This extremely rare truss bridge crossing a historic rail line is threatened with demolition! | 
|
Penn Manor Road Bridge
|
| Penn Manor Road (PA-4010) Over Brush Creek Branch | Manor: Westmoreland County, Pennsylvania | Concrete Closed Spandrel Deck Arch, Fixed |
Total Length: 48 ft Main Span Length: 41 ft Roadway Width: 20 ft Main Spans: 1 |
1929 By: Unknown | This tiny arch bridge once had attractive balustrade railings. | 
|
Pennsylvania Turnpike Brush Creek Bridge
|
| Pennsylvania Turnpike (I-76) Over Brush Creek, Railroad, and Broadway Street (PA-993) | Rural: Westmoreland County, Pennsylvania | Metal Deck Girder, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 1001 ft Main Span Length: 120 ft Roadway Width: 80 ft Main Spans: 10 |
1952 By: Unknown | A large deck plate girder bridge that was widened by adding a stringer bridge. | 
|
Pennsylvania Turnpike Ramp Bridge
|
| Pennsylvania Turnpike (I-76) Ramp Over US-30 (Lincoln Highway) | Rural: Westmoreland County, Pennsylvania | Concrete Rigid-Frame, Fixed |
Total Length: 80.1 ft Main Span Length: 72 ft Roadway Width: 54 ft Main Spans: 1 |
1939 By: Unknown | One of the only examples of a Pennsylvania Turnpike overpass that has been preserved, and will eventually be one of the last surviving. | 
|
Puckety Drive Bridge
|
| US-22 Over Puckety Drive (Boyd Road) | Rural: Westmoreland County, Pennsylvania | Concrete Closed Spandrel Deck Arch, Fixed |
Total Length: 48 ft Main Span Length: 42 ft Roadway Width: 53.2 ft Main Spans: 1 |
1949 By: Unknown | This concrete arch overpass has been widened on one side. | 
|
Salina Bridge
|
 | Bridge Street (Edmon Road) Over Kiskiminetas River | Salina: Armstrong County, Pennsylvania and Westmoreland County, Pennsylvania | Metal 11 Panel Pin-Connected Parker Through Truss, Fixed |
Total Length: 669 ft Main Span Length: 220.2 ft Roadway Width: 18.7 ft Main Spans: 3 |
1906 By: Unknown | A long, three span example of an uncommon type, this bridge is enjoyable to view and cross. | 
|
Seward Bridge
|
| PA-56 and PA-711 Over Conemaugh River | Seward: Indiana County, Pennsylvania and Westmoreland County, Pennsylvania | Metal 9 Panel Rivet-Connected Parker Through Truss, Fixed |
Total Length: 377 ft Main Span Length: 183 ft Roadway Width: 30 ft Main Spans: 2 |
1933 By: Unknown and Pennsylvania State Highway Department | This bridge is a multi-span example of a standard plan truss in Pennsylvania. | 
|
Seward Viaduct
Seward Railroad Overpass Bridge |
| PA-56 and PA-711 Over Railroad (Norfolk Southern) | Seward: Westmoreland County, Pennsylvania | Metal 8 Panel Rivet-Connected Polygonal Warren (No Verticals) Pony Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 417 ft Main Span Length: 109 ft Roadway Width: 24 ft Main Spans: 1 |
1930 By: American Bridge Company of New York, New York | A good example of a 1930s pony truss in Pennsylvania. | 
|
Smithton High-Level Bridge
|
| I-70 Over Youghiogheny River | Near Smithton: Westmoreland County, Pennsylvania | Metal Continuous Rivet-Connected Warren Deck Truss, Fixed and Approach Spans: Metal 6 Panel Rivet-Connected Warren Deck Truss, Fixed |
Total Length: 1355 ft Main Span Length: 288 ft Roadway Width: 64 ft Main Spans: 3 |
1956 By: Unknown | This bridge is an impressive structure to view from below. | 
|
Speers Railroad Bridge
Belle Vernon Railroad Bridge |
| Railroad (Norfolk Southern) Over Monongahela River | Belle Vernon and Speers: Washington County, Pennsylvania and Westmoreland County, Pennsylvania | Metal 12 Panel Rivet-Connected K-Truss Through Truss, Fixed and Approach Spans: Metal Rivet-Connected Warren Deck Truss, Fixed | Main Spans: 2 | 1930 By: Unknown | This giant bridge is one of the only bridges in the entire state to display the rare K-truss configuration. | 
| X |
Tunnelton Bridge
|
| Tunnelton Road (PA-3003) Over Conemaugh River | Rural: Indiana County, Pennsylvania and Westmoreland County, Pennsylvania | Metal 12 Panel Multiple-Type-Connected Pennsylvania Through Truss, Fixed |
Total Length: 402 ft Main Span Length: 396 ft Roadway Width: 21.7 ft Main Spans: 1 |
1938 By: American Bridge Company of New York, New York | This bridge has some very unusual details and is also noteworthy for its long single span. | 
|
Vandergrift Bridge
|
| Third Street (Dime Road, Farragut Avenue, PA-56, and PA-66 Alt) Over Kiskiminetas River | Vandergrift: Armstrong County, Pennsylvania and Westmoreland County, Pennsylvania | Metal 12 Panel Rivet-Connected Parker Through Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed |
Total Length: 497 ft Main Span Length: 310 ft Roadway Width: 32.2 ft Main Spans: 1 |
1933 By: McClintic-Marshall Company of Pittsburgh, Pennsylvania and Pennsylvania State Highway Department | This attractive bridge continures to welcome visitors into Vandergrift. | 
| ! |
Waltz Mill Bridge
|
 | Waltz Mill Road (PA-3037) Over Sewickley Creek | Waltz Mill: Westmoreland County, Pennsylvania | Metal Stringer (Multi-Beam), Fixed |
Total Length: 93 ft Main Span Length: 45 ft Roadway Width: 20 ft Main Spans: 2 |
1925 By: Unknown | This bridge had a beautiful brick deck and balustrade railings, and was an early example of its type. | 
|
West Newton Bridge
|
| Main Street (PA-136) Over Youghiogheny River | West Newton: Westmoreland County, Pennsylvania | Metal 8 Panel Pin-Connected Parker Through Truss, Fixed |
Total Length: 490.2 ft Main Span Length: 160 ft Roadway Width: 23 ft Main Spans: 3 |
1907 By: Unknown | This bridge forms a spectacular gateway into a small town, and is a treasure that should be preserved. | 
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