Adney Gap Rd 643 over N Fork Blackwater River
Franklin County, Virginia · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Adney Gap Rd 643 over N Fork Blackwater River in Franklin County, Virginia, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1932, making it 93 years old at the 2025 inventory.
- It carries about 68 vehicles a day (traffic count year 2017).
- Its listed owner is the state highway agency.
- It is one of 98 of the 174 inventoried bridges in Franklin County rated fair (56.3%); 3 (1.7%) 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 April 2023, on a 24-month routine inspection cycle.
- 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 → (37.12183, -80.07562)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 24 ft |
| Location | 0.10 Rt 745; 2.00 Rt 602 |
| NBI structure number | 000000000007875 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | April 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Virginia department of transportation.
Busiest bridges in Franklin County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| 220 Bus. NBL over 220 Bp | 1960 | 14,269 | Fair |
| Sbl Route 0220 over Blackwater River | 1954 | 13,427 | Fair |
| Nbl Route 0220 over Blackwater River | 1969 | 13,427 | Fair |
| B T Wash.hwy 122 over Roanoke River | 1963 | 13,041 | Fair |
| VirgilHGoodeHwy220 over Maggodee Creek | 1988 | 12,873 | Fair |
| Virgil H. Goode Hy over Maggodee Creek | 1952 | 12,873 | Fair |
All bridges nearby: Franklin County, VA bridge conditions · every bridge in Franklin County · Virginia bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.