Theriot Rd. over Queue De Tortue Bayou
Lafayette Parish, Louisiana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Theriot Rd. over Queue De Tortue Bayou in Lafayette Parish, Louisiana, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2015, making it 10 years old at the 2025 inventory.
- It carries about 66 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 144 of the 319 inventoried bridges in Lafayette Parish rated good (45.1%); 25 (7.8%) 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 → (30.19864, -92.24995)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 8 | Very good condition |
| Superstructure | 8 | Very good condition |
| Substructure | 8 | Very good condition |
Bridge details
| Structure | Concrete slab |
| Length | about 104 ft |
| Location | 1.1 Mi E of LA 35 |
| NBI structure number | 032800000030462 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Louisiana department of transportation.
Busiest bridges in Lafayette Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I0049 over Creek | 1963 | 74,085 | Good |
| I0049 over Creek | 1963 | 74,085 | Fair |
| I0049 over La 98 | 1981 | 66,737 | Good |
| US0090 over Albertsons Pkwy | 2018 | 62,432 | Good |
| US0090 over La 182 & BNSF RR | 2018 | 62,432 | Fair |
| US0090 over Vermilion River | 1965 | 62,432 | Fair |
All bridges nearby: Lafayette Parish, LA bridge conditions · every bridge in Lafayette Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.