Bridge conditions in Vernon Parish, Louisiana
337 inventoried bridges · 28 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 337 bridges in Vernon Parish: 195 rated good, 114 fair, and 28 poor.
- 28 of the 337 bridges in Vernon Parish, Louisiana, are rated in poor condition (8.3%) in the 2025 National Bridge Inventory, as of .
- 195 bridges (57.9%) are rated good and 114 (33.8%) fair.
- The median Vernon Parish bridge was built in 1992.
- The busiest poor-rated bridge is Jean St over Castor Bayou Trib. (built 1970), carrying about 3,600 vehicles a day.
Good 57.9% · Fair 33.8% · Poor 8.3% of 337 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 |
|---|---|---|---|
| Jean St over Castor Bayou Trib. | 1970 | 3,600 | Poor |
| LA0008 over Creek | 1956 | 1,700 | Poor |
| LA0117 over Blackland Branch | 1954 | 1,513 | Poor |
| LA0008 over Forker Creek | 1950 | 1,229 | Poor |
| LA0399 over Br. of Whiskey Chitto CR | 2001 | 938 | Poor |
| LA0399 over Br. of Whiskey Chitto CR | 2001 | 938 | Poor |
| Mobile Street over Whiskey Chitto Creek | 1978 | 720 | Poor |
| LA0463 over Blue Branch | 1944 | 482 | Poor |
| LA0463 over Boggy Branch | 1944 | 482 | Poor |
| LA0463 over Little Brushy Creek | 1944 | 482 | Poor |
| LA0463 over Brushy Creek | 1944 | 482 | Poor |
| LA0463 over Ten Mile Creek | 1944 | 482 | Poor |
| LA0463 over Drain | 1944 | 482 | Poor |
| LA0399 over Little 6 Mile CR | 1965 | 396 | Poor |
| LA0399 over Little 6 Mile Cr.relf. | 1965 | 396 | Poor |
| LA0399 over Creek | 1964 | 396 | Poor |
| Jean Road over Birds Creek | 1987 | 336 | Poor |
| Georgia Ave over Bundick Creek | 1978 | 336 | Poor |
| Williams Street over Drainage to Zourie Bayou | 1980 | 300 | Poor |
| Boundary Rd over Six Mile Creek | 1950 | 240 | Poor |
| Savage Forks Rd over Bayou Anacoco | 1970 | 200 | Poor |
| Holly Grove Rd over Franklin Branch | 1983 | 120 | Poor |
| Blackmon Rd over Castor Bayou | 1978 | 90 | Poor |
| Mcrae St over Castor Bayou Trib. | 1974 | 80 | Poor |
| Fdr 421 over Drakes Creek | 1984 | 60 | Poor |
| Eubanks Rd over Prairie Creek | 1970 | 50 | Poor |
| Craigerville Rd over Mayhaw Branch | 1962 | 40 | Poor |
| Airfield Road over Bundick Creek | 1979 | 2 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Allen Gordy Rd over Flactor Creek Trib. | 1984 | 100,060 | Fair |
| US0171 over Sales Branch | 1975 | 17,200 | Good |
| US0171 over Flat Creek | 1979 | 14,458 | Good |
| US0171 over Sales Branch | 1975 | 14,458 | Fair |
| US0171 over Creek | 1930 | 14,420 | Good |
| US0171 over Flat Creek | 1981 | 14,420 | Good |
| US0171 over Bayou Zourie | 2012 | 12,466 | Good |
| US0171 over Castor Creek Relief | 1975 | 12,466 | Fair |
| US0171 over Castor Bayou | 1975 | 11,450 | Good |
| US0171 over Castor Bayou | 1975 | 11,450 | Good |
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.