Nfa 2410 (sa 4721) over Stock Creek
Knox County, Tennessee · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nfa 2410 (sa 4721) over Stock Creek in Knox County, Tennessee, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1938, making it 87 years old at the 2025 inventory.
- It carries about 1,138 vehicles a day (traffic count year 2021).
- Its listed owner is the county highway agency.
- It is one of 306 of the 584 inventoried bridges in Knox County rated good (52.4%); 3 (0.5%) 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 → (35.87813, -83.8957)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Concrete tee beam |
| Length | about 33 ft |
| Location | Martin Mill Rd-e of US129 |
| NBI structure number | 47024100001 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Tennessee department of transportation.
Busiest bridges in Knox County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I40 over I40 / Papermill Rd. | 2006 | 182,502 | Good |
| I40 over I40 / Hollywood Dr. | 1965 | 182,502 | Good |
| I40 over I40/i40-eb Rmp to I75 N | 1981 | 182,502 | Good |
| I40 over Third Creek | 1965 | 182,502 | Fair |
| WB Frontage Rd. over I40-wb-rmp / Papermill | 2005 | 182,502 | Good |
| I40 Rmp C-c over I40-wb Rmp-i75n / Pmill | 1982 | 182,502 | Good |
All bridges nearby: Knox County, TN bridge conditions · every bridge in Knox County · Tennessee bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.