Bridge conditions in Armstrong County, Pennsylvania
259 inventoried bridges · 18 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Armstrong County tracks close to typical: 18 of its 259 inventoried bridges (6.9%) are rated poor, against a national rate of about 7%.
- 18 of the 259 bridges in Armstrong County, Pennsylvania, are rated in poor condition (6.9%) in the 2025 National Bridge Inventory, as of .
- 91 bridges (35.1%) are rated good and 150 (57.9%) fair.
- The median Armstrong County bridge was built in 1980.
- The busiest poor-rated bridge is SR0128 over Trib to Pine Run (built 1921), carrying about 1,103 vehicles a day.
Good 35.1% · Fair 57.9% · Poor 6.9% of 259 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR0128 over Trib to Pine Run | 1921 | 1,103 | Poor |
| SR1036 over Cowanshannock Creek | 1962 | 1,065 | Poor |
| SR4009 over Hart Run | 1953 | 956 | Poor |
| SR4010 over Trib to Buffalo Creek | 1925 | 785 | Poor |
| SR0156 over Norfolk Southern RR | 1949 | 643 | Poor |
| SR0156 over Long Run | 1957 | 643 | Poor |
| SR2027 over Crooked Creek | 1940 | 582 | Poor |
| T-850 Houser Road over Scrubgrass Creek | 1980 | 400 | Poor |
| T-689 Peterman Hil over Miller Run | 1966 | 400 | Poor |
| T-501 Boltz Road over Buffalo & Pitt RR | 1900 | 250 | Poor |
| SR2005 over Cherry Run | 1938 | 218 | Poor |
| SR2008 over Mill Run | 1941 | 189 | Poor |
| T-466 St.charles over Redbank Creek | 1958 | 125 | Poor |
| T-860 Beagle Club over Huling Run | 1952 | 120 | Poor |
| SR1028 over N Br S Frk Pine Creek | 1925 | 109 | Poor |
| SR2059 over Guffy Run | 1938 | 101 | Poor |
| T-881 Clinton Road over Buffalo & Pittsburg RR | 1910 | 45 | Poor |
| SR3027 over Dock Hollow Run | 1955 | 41 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Njtpk(i-95 Pa Ext) over Delaware River & Roads | 1956 | 67,799 | Fair |
| Nj Rt 73 over Delaware River | 1929 | 42,270 | Fair |
| Co Rt 413 over Delaware River | 1931 | 26,315 | Fair |
| SR 1038 over Allegheny River | 1931 | 22,150 | Fair |
| SR0066 Nb&sb over SR0422;SR2025;GARRETTS | 1980 | 19,609 | Fair |
| SR0422 over SR0028 Nb&sb | 2001 | 18,527 | Fair |
| SR0422 Eb&wb over Alleg RIV/3001/2011/RR | 1974 | 17,748 | Fair |
| SR 1038 over Trib to Allegheny River | 2011 | 14,506 | Good |
| SR0028 Nb&sb over Abandoned RR | 1969 | 14,293 | Fair |
| SR1038 over Buff & Pitt RR | 2008 | 13,301 | Good |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Pennsylvania: Pennsylvania bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.