T-480 over Kishacoquillas Creek
Mifflin County, Pennsylvania · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- T-480 over Kishacoquillas Creek in Mifflin County, Pennsylvania, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1973, making it 52 years old at the 2025 inventory.
- It carries about 100 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 23 of the 196 inventoried bridges in Mifflin County rated poor (11.7%); 23 (11.7%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (40.60194, -77.56021)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 4 | Poor condition |
| Superstructure | 4 | Poor condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 91 ft |
| Location | 400FT West of LR44007 |
| NBI structure number | 000000000026633 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Pennsylvania department of transportation.
Busiest bridges in Mifflin County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 22-us 22 over Branch Kishacoquillas CR | 1958 | 36,350 | Fair |
| SR 322-us 322 over Buck Run | 1964 | 27,512 | Fair |
| SR 22-us 22 over Twp Rd 600 | 1958 | 14,029 | Fair |
| SR 22-us 22 over Valley Road | 1958 | 14,029 | Fair |
| SR 22-us 22 over Twp Rd 315 & Jacks Creek | 1958 | 14,029 | Fair |
| SR 22-us 22 over SR 522 Seda-cog | 1958 | 13,130 | Fair |
All bridges nearby: Mifflin County, PA bridge conditions · every bridge in Mifflin County · Pennsylvania bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.