WV Route 39 over Knapp Creek
Pocahontas County, West Virginia · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- WV Route 39 over Knapp Creek in Pocahontas County, West Virginia, 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 2017, making it 8 years old at the 2025 inventory.
- It carries about 1,400 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 30 of the 117 inventoried bridges in Pocahontas County rated good (25.6%); 29 (24.8%) 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 → (38.19778, -80.02758)
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 | Continuous steel stringer or multi-beam girder |
| Length | about 262 ft |
| Location | 0.03 mi. East jct WV 28 |
| NBI structure number | 00000000038A141 |
| 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) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the West Virginia department of transportation.
Busiest bridges in Pocahontas County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Wv 39 over Greenbrier River | 1959 | 6,700 | Poor |
| US 219 & Wv 55 over Stony Creek | 1998 | 4,700 | Poor |
| U.S. 219 & W.v. 39 over Swago Creek | 2012 | 2,200 | Good |
| US 219 over Stamping Creek | 2006 | 1,800 | Good |
| Wv 28 over North Fork Deer Creek | 1957 | 1,700 | Poor |
| U.S. 250 & Wv 92 over E. Fork Greenbrier River | 1997 | 1,600 | Good |
All bridges nearby: Pocahontas County, WV bridge conditions · every bridge in Pocahontas County · West Virginia bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.