T-300 Wilson Road over Darrow Brook
Erie County, Pennsylvania · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- T-300 Wilson Road over Darrow Brook in Erie 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 1965 and reconstructed in 2021, making it 60 years old at the 2025 inventory.
- It carries about 11 vehicles a day (traffic count year 2015).
- Its listed owner is a town or township highway agency.
- It is one of 167 of the 444 inventoried bridges in Erie County rated good (37.6%); 42 (9.5%) 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 September 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 → (42.10434, -79.7672)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 9 | 9 | Excellent condition |
| Superstructure | 9 | 9 | Excellent condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 23 ft |
| Location | 1/2 Mi W of Finn Road |
| NBI structure number | 000000000016431 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Pennsylvania department of transportation.
Busiest bridges in Erie County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 90 Eb/wb over over Walnut Creek | 1959 | 36,476 | Fair |
| SR 90 Eb/wb over over Four Mile Creek | 1959 | 35,843 | Fair |
| SR 19 Peach St over over Walnut Creek | 1950 | 31,986 | Fair |
| SR 90 WB over over SR 0019 Peach St | 1996 | 22,023 | Good |
| SR 90 WB over over T-558 Old French Rd | 1996 | 22,023 | Good |
| SR 90 Eb/wb over over Twelvemile Creek | 1959 | 21,995 | Fair |
All bridges nearby: Erie County, PA bridge conditions · every bridge in Erie County · Pennsylvania bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.