SR 3 over Lost Lake Bayou
Tunica County, Mississippi · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 3 over Lost Lake Bayou in Tunica County, Mississippi, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1959, making it 66 years old at the 2025 inventory.
- It carries about 1,800 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 25 of the 81 inventoried bridges in Tunica County rated fair (30.9%); 8 (9.9%) 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 → (34.78863, -90.24416)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete slab |
| Length | about 89 ft |
| Location | 11.0 Mi N SR 4 |
| NBI structure number | 310000307219570 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Mississippi department of transportation.
Busiest bridges in Tunica County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 61 over Stream | 1935 | 13,000 | Good |
| Old Highway 304 over Beaverdam Break | 1998 | 5,200 | Fair |
| US 61 over White Oak Bayou | 1987 | 5,000 | Good |
| US 61 over White Oak Bayou | 1996 | 5,000 | Good |
| Old Highway 304 over Lost Lake Bayou | 1998 | 4,700 | Good |
| US 61 over Beaverdam Bayou #1 | 1987 | 4,250 | Good |
All bridges nearby: Tunica County, MS bridge conditions · every bridge in Tunica County · Mississippi bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.