I-79 Off-ramp "a" over Big Otter Creek
Clay County, West Virginia · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-79 Off-ramp "a" over Big Otter Creek in Clay County, West Virginia, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1974, making it 51 years old at the 2025 inventory.
- It carries about 650 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 47 of the 87 inventoried bridges in Clay County rated fair (54.0%); 14 (16.1%) are rated poor.
- 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 → (38.59521, -81.04299)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 5 | Fair condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 20 ft |
| Location | 5.90 Mi N of Wv 36 T |
| NBI structure number | 00000000008A098 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the West Virginia department of transportation.
Busiest bridges in Clay County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-79 NB & SB over Murphy Fk of Big Otter C | 1974 | 16,300 | Fair |
| I-79 Nbl over Wv 16 | 1974 | 8,800 | Fair |
| I-79 Sbl over WV16 | 1974 | 8,600 | Fair |
| Wv 16 over Middle Creek | 1944 | 1,500 | Poor |
| Wv 16 over Middle Creek | 1944 | 1,500 | Fair |
| Wv 16 over Camp Creek | 1930 | 1,500 | Poor |
All bridges nearby: Clay County, WV bridge conditions · every bridge in Clay County · West Virginia bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.