Bridge conditions in Adams County, Pennsylvania
254 inventoried bridges · 18 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 254 bridges in Adams County: 93 rated good, 143 fair, and 18 poor.
- 18 of the 254 bridges in Adams County, Pennsylvania, are rated in poor condition (7.1%) in the 2025 National Bridge Inventory, as of .
- 93 bridges (36.6%) are rated good and 143 (56.3%) fair.
- The median Adams County bridge was built in 1967.
- The busiest poor-rated bridge is Pa 34; SR 0034 over Conewago Creek (built 1920), carrying about 4,740 vehicles a day.
Good 36.6% · Fair 56.3% · Poor 7.1% of 254 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 |
|---|---|---|---|
| Pa 34; SR 0034 over Conewago Creek | 1920 | 4,740 | Poor |
| Pa 116; SR 0116 over Trib to Marsh Creek | 1920 | 3,987 | Poor |
| Jack Mtn.rd. /3021 over Miney Branch Run | 1937 | 2,578 | Poor |
| Pa 394; SR 0394 over Conewago Creek | 1935 | 1,280 | Poor |
| SR 4008 over Conewago Creek | 1957 | 1,081 | Poor |
| SR 3002 over Rock Creek | 1940 | 667 | Poor |
| SR 3002 over Trib Rock Creek | 1940 | 667 | Poor |
| SR 3005 over Trib Marsh Creek | 1960 | 620 | Poor |
| Stoney Point Road over Markel Run | 1940 | 500 | Poor |
| Plum Run Road over Plum Run | 1993 | 500 | Poor |
| SR 1017 over Conewago Creek | 1963 | 306 | Poor |
| Country Club Road over Branch of Beaver Creek | 1925 | 200 | Poor |
| Ridge Road over Latimore Creek | 1945 | 150 | Poor |
| Goulden Road over Rock Creek | 1936 | 125 | Poor |
| Zoo Road over Toms Creek | 1967 | 100 | Poor |
| Jacobs Mill Road over Beaver Creek | 1954 | 75 | Poor |
| Mcgaughlin Road over Middle Creek | 1904 | 75 | Poor |
| Salem Church Road over Trib.of Swift Run | 1920 | 50 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 15; SR 0015 over Latimore Creek | 1963 | 21,392 | Fair |
| US 15; SR 0015 over Plum Run | 1963 | 20,569 | Fair |
| US 15; SR 0015 over Branch Rock Creek | 1963 | 19,905 | Fair |
| US 15; SR 0015 over Pa 94; SR 0094 | 1957 | 19,905 | Good |
| US 30; York Rd. over US 15; SR 0015 | 1963 | 16,182 | Fair |
| York St (SR 30) over Rock Creek | 2019 | 15,690 | Good |
| US 30; SR 0030 over Beaver Creek | 2017 | 14,615 | Good |
| US 30; SR 0030 over South Br of Conewago Ck | 1929 | 14,378 | Fair |
| US 15 SB; SR 0015 over Pa 116; SR 0116 | 1963 | 13,026 | Fair |
| Pa 194; SR 0194 over South Br of Conewago | 1956 | 12,695 | Fair |
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.