Carlisle Road over Opossum Creek
Adams County, Pennsylvania · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Carlisle Road over Opossum Creek in Adams County, Pennsylvania, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2018, making it 7 years old at the 2025 inventory.
- It carries about 2,740 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 93 of the 254 inventoried bridges in Adams County rated good (36.6%); 18 (7.1%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated July 2024, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (39.98146, -77.2339)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 9 | 9 | Excellent condition |
| Superstructure | 9 | 9 | Excellent condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 80 ft |
| Location | 4 Mi N of Biglerville |
| NBI structure number | 000000000054106 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Pennsylvania department of transportation.
Busiest bridges in Adams 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 |
All bridges nearby: Adams County, PA bridge conditions · every bridge in Adams County · Pennsylvania bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.