Old Hwy. 61 South over Beaver Dam Lake Bayou
Tunica County, Mississippi · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Old Hwy. 61 South over Beaver Dam Lake Bayou in Tunica County, Mississippi, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1971, making it 54 years old at the 2025 inventory.
- It carries about 470 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 8 of the 81 inventoried bridges in Tunica County rated poor (9.9%); 8 (9.9%) are rated poor.
- Its traffic status in the 2025 inventory is closed to all traffic (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Status change: newly closed since 2024.
- Its most recent inspection on record is dated December 2024, on a 12-month routine inspection cycle.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (34.58125, -90.43319)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 4 | 4 | Poor condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Concrete channel beam |
| Length | about 134 ft |
| Location | Sec 11 T 6S R12W B |
| NBI structure number | SA7200000000032 |
| Condition class | Poor |
| Traffic status (item 41) | Closed to all traffic |
| Last inspection (item 90) | December 2024 |
| Inspection interval (item 91) | 12 months |
| Scour (item 113) | U: unknown foundation, not evaluated for scour |
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.