Bridge conditions in De Soto Parish, Louisiana
201 inventoried bridges · 15 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
15 of the 201 bridges the federal inventory lists in De Soto Parish are rated poor; the rest split 54 good and 132 fair.
- 15 of the 201 bridges in De Soto Parish, Louisiana, are rated in poor condition (7.5%) in the 2025 National Bridge Inventory, as of .
- 54 bridges (26.9%) are rated good and 132 (65.7%) fair.
- The median De Soto Parish bridge was built in 1985.
- The busiest poor-rated bridge is US0084 over Bayou Castor (built 1951), carrying about 6,314 vehicles a day.
Good 26.9% · Fair 65.7% · Poor 7.5% of 201 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 |
|---|---|---|---|
| US0084 over Bayou Castor | 1951 | 6,314 | Poor |
| LA0175 over Little Bayou Na Bonchass | 1957 | 4,306 | Poor |
| LA0175 over Caney Bayou Rel | 1957 | 4,051 | Poor |
| LA0764 over Drain | 1971 | 1,933 | Poor |
| LA0175 over Tenmile Bayou | 1974 | 1,770 | Poor |
| LA3015 over Bayou Castor Relief | 1971 | 1,157 | Poor |
| LA3015 over Bayou Castor | 1972 | 1,157 | Poor |
| LA0765 over Garrison Creek | 1974 | 1,150 | Poor |
| LA3015 over Bayou Grand Cane Relief | 1977 | 581 | Poor |
| LA0513 over Drain | 1969 | 243 | Poor |
| LA0513 over Brushy Bayou | 1969 | 243 | Poor |
| LA0513 over Ten Mile B Relief | 1969 | 243 | Poor |
| LA0513 over Relief | 1975 | 243 | Poor |
| LA0510 over Creek | 1981 | 233 | Poor |
| Hinds Rd over Wallace Bayou | 1966 | 55 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I0049 over Asseff Rd | 1987 | 29,022 | Good |
| I0049 over Sweepco R/R | 1986 | 29,022 | Fair |
| I0049 over US 84 | 1985 | 29,022 | Fair |
| I0049 over Mundy Bayou | 1986 | 29,022 | Fair |
| I0049 over Buffalo Bayou | 1985 | 29,022 | Fair |
| I0049 over Siphorien Bayou | 1986 | 29,022 | Fair |
| I0049 over Creek | 1985 | 29,022 | Good |
| I0049 over I-49 Bayou Na Bonchasse | 1986 | 29,022 | Fair |
| I0049 over I-49 Caney Bayou | 1986 | 29,022 | Fair |
| I0049 over I-49 Kcs RR Spur | 1987 | 29,022 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Louisiana: Louisiana 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.