Nfa 1511 (sa 4803) over Blue Bank Bayou
Lake County, Tennessee · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nfa 1511 (sa 4803) over Blue Bank Bayou in Lake County, Tennessee, 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 1984, making it 41 years old at the 2025 inventory.
- It carries about 94 vehicles a day (traffic count year 2021).
- Its listed owner is the county highway agency.
- It is one of 17 of the 30 inventoried bridges in Lake County rated fair (56.7%); 1 (3.3%) 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 → (36.28481, -89.5173)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 33 ft |
| Location | 3 Mi NW of Ridgely |
| NBI structure number | 48015110001 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Tennessee department of transportation.
Busiest bridges in Lake County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fap 78 over Slough | 1997 | 4,437 | Good |
| Fap 78 over Overflow | 1982 | 3,574 | Fair |
| Fap 78 over Slough | 1997 | 2,974 | Good |
| Fap 78 over Slough | 1997 | 2,974 | Fair |
| Fap 78 over Slough | 1993 | 2,974 | Good |
| Fap 21 over Reelfoot Lake Spillway | 1930 | 2,448 | Fair |
All bridges nearby: Lake County, TN bridge conditions · every bridge in Lake County · Tennessee bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.