T-463 Nelson Hill over over Lt Brokenstraw Ck.
Warren County, Pennsylvania · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- T-463 Nelson Hill over over Lt Brokenstraw Ck. in Warren County, Pennsylvania, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1920, making it 105 years old at the 2025 inventory.
- It carries about 100 vehicles a day (traffic count year 2005).
- Its listed owner is a town or township highway agency.
- It is one of 103 of the 218 inventoried bridges in Warren County rated fair (47.2%); 38 (17.4%) 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 2023, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (41.89752, -79.41837)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 70 ft |
| Location | Pittsfield Township |
| NBI structure number | 000000000034270 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 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 Warren County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 62 Market St. over over Jackson Run | 1973 | 14,835 | Fair |
| SR 6006 Penn Ave.e over over Conewango Creek | 1987 | 10,659 | Good |
| SR 62 over over Valentine Creek | 1941 | 9,699 | Fair |
| SR 6 Grand Army Hy over over Morse Run | 1950 | 8,651 | Fair |
| SR 6 Grand Army Hy over Allegheny & Eastern RR | 1976 | 8,651 | Fair |
| SR 6 Warren Bypass over over SR62 Ludow St E/w | 1976 | 8,651 | Fair |
All bridges nearby: Warren County, PA bridge conditions · every bridge in Warren County · Pennsylvania bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.