T-464 Harter Rd over Muddy Creek
Centre County, Pennsylvania · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- T-464 Harter Rd over Muddy Creek in Centre County, Pennsylvania, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1960 and reconstructed in 2012, making it 65 years old at the 2025 inventory.
- It carries about 80 vehicles a day (traffic count year 2023).
- Its listed owner is a town or township highway agency.
- It is one of 176 of the 366 inventoried bridges in Centre County rated good (48.1%); 22 (6.0%) 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 June 2023, 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 → (40.83135, -77.5617)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 27 ft |
| Location | 0.9 Mi SE of SR 2010 |
| NBI structure number | 000000000009812 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2023 |
| 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 Centre County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 322-us 322 over Access Road #1 | 2001 | 38,785 | Good |
| SR 80-i 80 over South Fork Beech Creek | 1966 | 21,186 | Good |
| SR 3014-us 322 Bus over Slab Cabin Run | 1932 | 20,393 | Fair |
| SR 322-us 322 over Abandoned R.R. Bike Path | 1970 | 19,767 | Fair |
| SR 322-us 322 over SR 3005 | 2001 | 19,767 | Good |
| SR 322-us 322 over Abandoned R.R. Bike Path | 1970 | 19,018 | Fair |
All bridges nearby: Centre County, PA bridge conditions · every bridge in Centre County · Pennsylvania bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.