SR 2021 over Fort Run
Huntingdon County, Pennsylvania · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 2021 over Fort Run in Huntingdon County, Pennsylvania, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 1937 and reconstructed in 1996, making it 88 years old at the 2025 inventory.
- It carries about 51 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 97 of the 239 inventoried bridges in Huntingdon County rated good (40.6%); 24 (10.0%) 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 August 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 → (40.33009, -77.83909)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 33 ft |
| Location | 3 Mi.n.of Shirleysburg |
| NBI structure number | 000000000018835 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 7: scour countermeasures installed |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Pennsylvania department of transportation.
Busiest bridges in Huntingdon County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Pa Tpk (I-76)WB over T-300 & Service Rd | 1969 | 21,197 | Poor |
| Pa Tpk (I-76) EB over T-300& Srvce.rd | 1969 | 21,197 | Fair |
| US 22 over Private Road | 1948 | 12,868 | Fair |
| US 22 over Pikes Run | 1988 | 12,868 | Good |
| US 22(POBSTOR) over US Silica Quarry Road | 1972 | 11,068 | Fair |
| US 22 over Trib.juniata River | 1948 | 10,982 | Fair |
All bridges nearby: Huntingdon County, PA bridge conditions · every bridge in Huntingdon County · Pennsylvania bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.