| 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 |
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. | 
|
Bear Creek Bridge
Knox Road Bridge |
 | Knox Road (TR-347, Donley Road, Jackson Avenue) Over South Branch Bear Creek | Rural: Armstrong County, Pennsylvania and Butler County, Pennsylvania | Metal 8 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 83 ft Main Span Length: 77 ft Roadway Width: 17.7 ft Main Spans: 1 |
1913 By: Farris Bridge Company of Pittsburgh, Pennsylvania | A beautiful Warren pony truss in a hilly forest setting. | 
| S |
Beatty Mills Bridge
|
 | Beatty Mill Road (TR-659) Over Buffalo Creek | Rural: Armstrong County, Pennsylvania | Metal 8 Panel Bowstring Pony Truss, Fixed |
Total Length: 86 ft Main Span Length: 84 ft Roadway Width: 14 ft Main Spans: 1 |
By: Wrought Iron Bridge Company of Canton, Ohio | One of the rarest bridges in Pennsylvania, this bowstring truss is in storage and planned for reuse. | 
| X |
Climax Bridge
|
 | Tunnel Road Over Redbank Creek | Climax (Rural): Armstrong County, Pennsylvania and Clarion County, Pennsylvania | Metal Rivet-Connected Warren Deck Truss, Fixed |
Total Length: 258 ft Main Span Length: 101 ft Roadway Width: 11.2 ft Main Spans: 3 |
1898 By: Unknown | This highly unusual 1890s deck truss apparently served a rail-line before becoming a highway bridge, and was located near a very cool railroad stone tunnel! | 
|
Cogley Bridge
Pebble Road Bridge |
 | Pebble Road (TR-738) Over South Branch Bear Creek | Rural: Armstrong County, Pennsylvania | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed |
Total Length: 54 ft Main Span Length: 49 ft Roadway Width: 13.5 ft Main Spans: 1 |
1910 By: Unknown | This pony truss features an attractive mix of lattice and v-lacing on its members. | 
| X |
East Brady Bridge
|
 | PA-68 Over Allegheny River | East Brady: Armstrong County, Pennsylvania and Clarion County, Pennsylvania | Metal 8 Panel Rivet-Connected Pratt Through Truss, Fixed |
Total Length: 771 ft Main Span Length: 200 ft Roadway Width: 20 ft Main Spans: 4 |
1934 By: Unknown | PennDOT seems bent on destroying every single historic bridge on the Allegheny River north of Pittsburgh! | 
| X |
Foxburg Bridge
|
 | PA-58 Over Allegheny River | Foxburg: Armstrong County, Pennsylvania and Clarion County, Pennsylvania | Metal 8 Panel Rivet-Connected Warren Through Truss, Fixed |
Total Length: 538 ft Main Span Length: 174 ft Roadway Width: 14 ft Main Spans: 3 |
1921 By: Bethlehem Steel Bridge Corporation of Steelton, Pennsylvania | Another breathtaking, one-of-a-kind historic Allegheny River treasure falls under the wrath of PennDOT. | 
| X |
Gastown Bridge
|
| Racetrack Road (TR-690) Over Plum Creek | Rural: Armstrong County, Pennsylvania | Metal 6 Panel Pin-Connected Pratt Full-Slope Pony Truss, Fixed |
Total Length: 102 ft Main Span Length: 97 ft Roadway Width: 13 ft Main Spans: 1 |
1910 By: Penn Bridge Company of Beaver Falls, Pennsylvania | This pony truss has an unusual curb design, a bottom chord below the floorbeams and a skew. | 
|
Jantz Road Bridge
Eddyville Bridge |
 | Jantz Road (TR-748, Lower Mudlick Road) Over Pine Run | Eddyville (Rural): Armstrong County, Pennsylvania | Metal 5 Panel Pin-Connected Pratt Through Truss, Fixed |
Total Length: 86 ft Main Span Length: 82 ft Roadway Width: 12.8 ft Main Spans: 1 |
1895 By: Nelson and Buchanan of Chambersburg, Pennsylvania | A picturesque example of work done by Nelson and Buchanan of Chambersburg, Pennsylvania. | 
|
Kittanning Bridge
Citizens Bridge |
| Market Street (US-422 Business, PA-1038) Over Allegheny River | Kittanning: Armstrong County, Pennsylvania | Metal 12 Panel Rivet-Connected Parker Through Truss, Fixed |
Total Length: 949.2 ft Main Span Length: 406 ft Roadway Width: 30.5 ft Main Spans: 3 |
1932 By: McClintic-Marshall Company of Pittsburgh, Pennsylvania and Pennsylvania State Highway Department | An impressive massive-membered Parker truss can be easily viewed from above. | 
|
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. | 
| X |
Oscar Bridge
|
 | Rose Valley - Slabtown Road (PA-1028) Over South Fork Pine Creek | Oscar (Rural): Armstrong County, Pennsylvania | Metal Stringer (Multi-Beam), Fixed |
Total Length: 67 ft Main Span Length: 63 ft Roadway Width: 26.2 ft Main Spans: 1 |
1940 By: Minns Brothers | This bridge showcases a historic standard plan stringer design in Pennsylvania. | 
|
Parker Bridge
|
| PA-368 Over Allegheny River | Parker: Armstrong County, Pennsylvania and Clarion County, Pennsylvania | Metal 12 Panel Rivet-Connected Parker Through Truss, Fixed |
Total Length: 1140 ft Main Span Length: 390 ft Roadway Width: 23 ft Main Spans: 4 |
1934 By: McClintic-Marshall Company of Pittsburgh, Pennsylvania and Pennsylvania State Highway Department | Noted for an distinctive slope, this is a truss bridge with a Parker configuration appropriately located in a community named Parker! | 
| X |
Plum Creek Road Bridge
Johnston Bridge |
| Plum Creek Road (PA-2069) Over Plum Creek | Rural: Armstrong County, Pennsylvania | Metal 4 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed |
Total Length: 80 ft Main Span Length: 72 ft Roadway Width: 14.4 ft Main Spans: 1 |
1904 By: Unknown | This small pony truss has an unusual bottom chord and good historic integrity, but this was not enough to spare it from demolition. | 
|
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. | 
|
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. | 
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