Route 340 over One Mile Run
Rockingham County, Virginia · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Route 340 over One Mile Run in Rockingham County, Virginia, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 1941 and reconstructed in 2006, making it 84 years old at the 2025 inventory.
- It carries about 3,921 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 153 of the 287 inventoried bridges in Rockingham County rated good (53.3%); 9 (3.1%) 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 January 2025, 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 → (38.34305, -78.70679)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 64 ft |
| Location | 5.00 Rt 708 - 0.11 Rt 754 |
| NBI structure number | 000000000015890 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | January 2025 |
| 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 Virginia department of transportation.
Busiest bridges in Rockingham County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Route 0081 over Trib Dry Fork | 1960 | 52,694 | Fair |
| Route 0081 over Dry Fork Creek | 1966 | 52,192 | Fair |
| I-81 Nbl over Blacks Run | 1966 | 29,699 | Fair |
| I-81 Sbl over Blacks Run | 1959 | 28,820 | Fair |
| I-81 Sbl over NS Railway | 1959 | 28,820 | Fair |
| I-81 Nbl over Blacks Run | 1959 | 28,521 | Fair |
All bridges nearby: Rockingham County, VA bridge conditions · every bridge in Rockingham County · Virginia bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.