Interstate-85 Nbl over Unnamed Tributary
Dinwiddie County, Virginia · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Interstate-85 Nbl over Unnamed Tributary in Dinwiddie County, Virginia, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1968, making it 57 years old at the 2025 inventory.
- It carries about 14,779 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 125 of the 151 inventoried bridges in Dinwiddie County rated fair (82.8%); 13 (8.6%) 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 → (37.15737, -77.50787)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 32 ft |
| Location | 5.50 Fr 703 & 2.10 to 460 |
| NBI structure number | 000000000005973 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Virginia department of transportation.
Busiest bridges in Dinwiddie County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Interstate-85 over Lieutenant Run | 1959 | 57,028 | Fair |
| Interstate-85 over Route 319 (seventh Ave) | 1958 | 51,555 | Fair |
| Interstate-85 over Rohoic Creek | 1959 | 51,555 | Fair |
| Interstate-85 Nbl over Graham Road | 1958 | 50,618 | Fair |
| Interstate-85 Sbl over Halifax Rd & CSX Transp | 1958 | 28,579 | Fair |
| Interstate-85 Sbl over Baylors Lane | 1958 | 28,579 | Fair |
All bridges nearby: Dinwiddie County, VA bridge conditions · every bridge in Dinwiddie County · Virginia bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.