Bridge conditions in Tunica County, Mississippi
81 inventoried bridges · 8 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Tunica County tracks close to typical: 8 of its 81 inventoried bridges (9.9%) are rated poor, against a national rate of about 7%.
- 8 of the 81 bridges in Tunica County, Mississippi, are rated in poor condition (9.9%) in the 2025 National Bridge Inventory, as of .
- 48 bridges (59.3%) are rated good and 25 (30.9%) fair.
- The median Tunica County bridge was built in 2000.
- The busiest poor-rated bridge is SR 3 over Buck Island Bayou (built 1959), carrying about 1,500 vehicles a day.
Good 59.3% · Fair 30.9% · Poor 9.9% of 81 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 3 over Buck Island Bayou | 1959 | 1,500 | Poor |
| Cutoff Road over Mckinney Lake | 1968 | 690 | Poor |
| Old Hwy. 61 South over Beaver Dam Lake Bayou | 1971 | 470 | Poor |
| Sarah Road over Coldwater River Channel | 1972 | 170 | Poor |
| Sarah Road over Walnut Lake North | 1969 | 140 | Poor |
| Dundee-flower Lake over Bear Lake | 1982 | 70 | Poor |
| Jeffries Road over Lower Bear Lake | 1965 | 60 | Poor |
| Walnut Lake Rd over Lower Walnut Lake | 1970 | 50 | Poor |
Busiest bridges in the 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 |
| US 61 over Beaverdam Bayou # 1 | 2000 | 4,250 | Good |
| US 61 over Beaverdam Bayou #2 | 1987 | 4,250 | Good |
| US 61 over Beaverdam Bayou #2 | 1997 | 4,250 | Good |
| US 61 over Muddy Bayou | 1987 | 4,200 | Good |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Mississippi: Mississippi bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.