SR 73 over Tennessee River
Loudon County, Tennessee · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 73 over Tennessee River in Loudon County, Tennessee, 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 2017, making it 8 years old at the 2025 inventory.
- It carries about 13,140 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 76 of the 117 inventoried bridges in Loudon County rated good (65.0%); 2 (1.7%) 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 → (35.78987, -84.2502)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 8 | Very good condition |
| Superstructure | 8 | Very good condition |
| Substructure | 8 | Very good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 1,399 ft |
| Location | 4.8 Mi South of I-75 |
| NBI structure number | 53SR0730021 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Tennessee department of transportation.
Busiest bridges in Loudon County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I75 Ramp to I40 WB over I40 Ebl | 1964 | 58,302 | Good |
| I75 over SR 1 | 1964 | 58,302 | Good |
| I75 over SR 1 | 1964 | 58,302 | Good |
| I75 over Hope Creek | 1972 | 58,302 | Fair |
| I75 over I75 Rl / E. Hotchkiss CR | 1972 | 55,134 | Fair |
| I75 over I75 Ll / E. Hotchkiss CR | 1972 | 55,134 | Fair |
All bridges nearby: Loudon County, TN bridge conditions · every bridge in Loudon County · Tennessee bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.