Nfa B485 over Paw Paw Creek
Roane County, Tennessee · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nfa B485 over Paw Paw Creek in Roane County, Tennessee, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1986, making it 39 years old at the 2025 inventory.
- It carries about 420 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 77 of the 159 inventoried bridges in Roane County rated good (48.4%); 4 (2.5%) are rated poor.
- 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 → (35.8599, -84.33795)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 26 ft |
| Location | S of I40-on Loudon Co Ln |
| NBI structure number | 730A2350003 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Tennessee department of transportation.
Busiest bridges in Roane County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I40 over Youngs Creek | 1969 | 51,799 | Fair |
| I40 Rt Ln over SR 58 | 1969 | 51,799 | Fair |
| I40 Lf Ln over SR 58 | 1969 | 51,799 | Fair |
| I40 Rt Ln over Nfa 1226 | 1969 | 49,070 | Fair |
| I40 Lf Ln over Nfa 1226 | 1969 | 49,070 | Fair |
| I40 Rt Ln over Clinch River & Nfa A774 | 1960 | 49,070 | Fair |
All bridges nearby: Roane County, TN bridge conditions · every bridge in Roane County · Tennessee bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.