Bridge conditions in Lauderdale County, Mississippi
475 inventoried bridges · 28 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
28 of the 475 bridges the federal inventory lists in Lauderdale County are rated poor; the rest split 241 good and 206 fair.
- 28 of the 475 bridges in Lauderdale County, Mississippi, are rated in poor condition (5.9%) in the 2025 National Bridge Inventory, as of .
- 241 bridges (50.7%) are rated good and 206 (43.4%) fair.
- The median Lauderdale County bridge was built in 1976.
- The busiest poor-rated bridge is 49TH Ave over I 59/I 20 (built 1973), carrying about 2,900 vehicles a day.
Good 50.7% · Fair 43.4% · Poor 5.9% of 475 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.
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 20/I 59 over Grand Ave | 1973 | 56,000 | Fair |
| I 20/I 59 over SR 145 | 1957 | 56,000 | Fair |
| I 20/I 59 over US 11 Norfolk S RR | 1974 | 49,000 | Fair |
| I 20/I 59 over Sowashee Creek | 1973 | 49,000 | Fair |
| I 20/I 59 over Kcs RR | 1973 | 48,000 | Fair |
| I 20/I 59 over Stream | 1949 | 41,000 | Good |
| I 20/I 59 over M and B RR Frt Rd Con | 1973 | 41,000 | Fair |
| I 20/I 59 over Relief | 1949 | 41,000 | Good |
| I 20/I 59 over 65TH Ave Kcs RR | 1965 | 37,000 | Good |
| I 20/I 59 over Ditch | 1959 | 27,000 | Good |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
Every bridge in Lauderdale County → - all 475, busiest first, each with its own condition record.
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.