County Route 66 over Mill Creek
Greenbrier County, West Virginia · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Route 66 over Mill Creek in Greenbrier County, West Virginia, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1913, making it 112 years old at the 2025 inventory.
- It carries about 70 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 26 of the 208 inventoried bridges in Greenbrier County rated poor (12.5%); 26 (12.5%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (37.76174, -80.61022)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Superstructure | 4 | Poor condition |
| Substructure | 4 | Poor condition |
Bridge details
| Structure | Concrete deck arch |
| Length | about 51 ft |
| Location | 0.16 Miles W. of WV 12 |
| NBI structure number | 00000000013A171 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the West Virginia department of transportation.
Busiest bridges in Greenbrier County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-64 WB over US 60 | 1968 | 15,099 | Fair |
| I-64 Wbl over County Route 9 | 1968 | 13,699 | Fair |
| I-64 Ebl over US 219 | 1967 | 12,760 | Fair |
| I-64 Wbl over US 219 | 1967 | 12,760 | Fair |
| I-64 Ebl over County Route 9 | 1968 | 11,605 | Fair |
| I-64 Ebl & Wbl over County Route 60/20 | 1967 | 11,079 | Good |
All bridges nearby: Greenbrier County, WV bridge conditions · every bridge in Greenbrier County · West Virginia bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.