SR 4001 over Lewis Run
McKean County, Pennsylvania · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 4001 over Lewis Run in McKean County, Pennsylvania, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2012, making it 13 years old at the 2025 inventory.
- It carries about 1,769 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 101 of the 226 inventoried bridges in McKean County rated good (44.7%); 40 (17.7%) are rated poor.
- 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 → (41.87147, -78.66212)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 8 | Very good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 29 ft |
| Location | Lewis Run Boro |
| NBI structure number | 000000000047439 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Pennsylvania department of transportation.
Busiest bridges in McKean County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 219-us 219 over SR 346 and SR 4013 | 1977 | 11,194 | Fair |
| SR 219-us 219 over SR 4002 | 2003 | 9,406 | Good |
| SR 219-us 219 over Sheppard Run | 1992 | 8,523 | Good |
| SR 219-us 219 over Mill St - B&p Railroad | 2006 | 8,482 | Good |
| SR 346-pa 346 over Tunungwant Creek | 1997 | 8,402 | Fair |
| SR 346-pa 346 over West Branch Tunungwant C | 1905 | 7,876 | Fair |
All bridges nearby: McKean County, PA bridge conditions · every bridge in McKean County · Pennsylvania bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.