Somerset County Bridge Report Card
Somerset County scores 49 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Somerset County, Pennsylvania
Somerset County has 455 bridges in the National Bridge Inventory, with 60 rated poor and 57 rated scour-critical. Its poor-condition share of 13.2% is above the 12.1% statewide average. Poor-condition bridges carry about 20,533 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Somerset County a Bridge Condition Exposure Score of 49/100 (F). The county has 455 bridges in the National Bridge Inventory, including 60 in poor condition and 57 rated scour-critical. Poor-condition bridges carry about 20,533 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.
How the Score Breaks Down
| Factor | Weight | County Value | Penalty |
|---|---|---|---|
| Poor-condition bridge share | 40 | 13.2% | 26.4 |
| Poor-condition traffic exposure | 25 | 1.7% of measured traffic | 1.2 |
| Scour-critical bridge share | 20 | 12.5% | 20.0 |
| Average age vs national baseline | 10 | 56 years vs 48 nationally | 3.2 |
| Traffic-data completeness | 5 | 1,232,716 measured daily crossings | 0.0 |
Score = 100 minus weighted penalties. The score is a comparative research signal, not an official safety rating. Read the full methodology.
County Comparisons
| County Poor-Condition Share | 13.2% |
| State Poor-Condition Share | 12.1% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 12.5% |
| Average Bridge Age | 56 years |
| Poor-Condition Traffic Exposure | 20,533 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Somerset County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| SR 3029 over Middle Creek | Poor condition + traffic exposure | Poor | 1,873 | 1937 |
| SR 4041 over Trib.stony Creek | Poor condition + traffic exposure | Poor | 876 | 1930 |
| SR 3008 over S.glade Creek | Poor condition + traffic exposure | Poor | 636 | 1940 |
| SR 4021 over Higgins Run | Poor condition + traffic exposure | Poor | 477 | 1908 |
| SR 4015 over Quemahoning Creek | Poor condition + traffic exposure | Poor | 350 | 1917 |
| SR 3003 over Drake Run | Poor condition + traffic exposure | Poor | 256 | 1908 |
| SR 3007 over Red Run | Poor condition + traffic exposure | Poor | 133 | 1937 |
| SR 4029 over North Fork Bens Creek | Poor condition + traffic exposure | Poor | 109 | 1927 |
| Clark Street over Fallen Timber Run | Poor condition + traffic exposure | Poor | 100 | 1910 |
| 22nd Street over Seese Run | Poor condition + traffic exposure | Poor | 100 | 1950 |
Important safety note
Poor condition does not mean a bridge is unsafe. It means at least one major component has significant deterioration and the bridge is a priority for maintenance, repair, or replacement. Bridges judged unsafe are closed or restricted by transportation agencies.