Doughty Rd over Louis Bayou
Catahoula Parish, Louisiana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Doughty Rd over Louis Bayou in Catahoula Parish, Louisiana, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 1997, making it 28 years old at the 2025 inventory.
- It carries about 90 vehicles a day (traffic count year 1984).
- Its listed owner is the county highway agency.
- It is one of 32 of the 69 inventoried bridges in Catahoula Parish rated good (46.4%); 4 (5.8%) are rated poor.
- 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 → (31.73376, -91.75581)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 8 | Very good condition |
| Superstructure | 8 | Very good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Concrete slab |
| Length | about 151 ft |
| Location | 2.42 M S of LA 922 |
| NBI structure number | 581331440091441 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Louisiana department of transportation.
Busiest bridges in Catahoula Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| LA0115 over Creek | 2002 | 4,987 | Good |
| LA0015 over Tensas River @ Clayton | 1971 | 4,592 | Poor |
| LA0015 over Creek | 2002 | 4,592 | Good |
| LA0124 over Little River | 1978 | 2,659 | Fair |
| LA0124 over Bushley Bayou | 1998 | 2,659 | Fair |
| US0425 over Tensas River | 2008 | 2,645 | Fair |
All bridges nearby: Catahoula Parish, LA bridge conditions · every bridge in Catahoula Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.