SR 3 over Beaver Dam Bayou
Tunica County, Mississippi · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 3 over Beaver Dam Bayou in Tunica County, Mississippi, 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 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 48 of the 81 inventoried bridges in Tunica County rated good (59.3%); 8 (9.9%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated September 2023, on a 24-month routine inspection cycle.
- 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 → (34.81341, -90.23652)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Concrete slab |
| Length | about 100 ft |
| Location | 12.7 Mi N SR 4 |
| NBI structure number | 310000307219750 |
| Condition class | Good |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | September 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
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.