Bridge conditions in Somerset County, Pennsylvania
455 inventoried bridges · 60 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Somerset County has 60 bridges rated poor out of 455 inventoried, a 13.2% share that puts it well above the national rate of about 7%.
- 60 of the 455 bridges in Somerset County, Pennsylvania, are rated in poor condition (13.2%) in the 2025 National Bridge Inventory, as of .
- 153 bridges (33.6%) are rated good and 242 (53.2%) fair.
- The median Somerset County bridge was built in 1969.
- The busiest poor-rated bridge is US 219 Sbl over T685 Miller Road (built 1969), carrying about 5,297 vehicles a day.
Good 33.6% · Fair 53.2% · Poor 13.2% of 455 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.
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Pa Tpk (I-76) over Branch Coxes Crk | 2004 | 32,134 | Good |
| Pa Tpk (I-76) over Crab Run | 1939 | 31,991 | Fair |
| Pa Tpk (I-76) over Three Lick Run | 1939 | 31,200 | Fair |
| Pa Tpk (I-76) over T-782 | 1939 | 31,200 | Fair |
| Pa Tpk (I-76) over Branch of Coxes Creek | 1939 | 30,880 | Fair |
| Pa Tpk (I-76) over Trib to Coxes Creek | 1939 | 30,880 | Fair |
| Pa Tpk (I76) EB over SR 1015; (LR55051) | 1980 | 30,600 | Fair |
| Pa Tpk (I-76) WB over SR 1015 | 1980 | 30,600 | Good |
| Pa Tpk (I-76) over CSX Railroad | 2004 | 29,452 | Good |
| Pa Tpk (I-76) over SR 0281 | 1939 | 29,452 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
Every bridge in Somerset County → - all 455, busiest first, each with its own condition record.
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.