I0049 over Twelve Mile Bayou
Caddo Parish, Louisiana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I0049 over Twelve Mile Bayou in Caddo 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 2013, making it 12 years old at the 2025 inventory.
- It carries about 6,846 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 275 of the 683 inventoried bridges in Caddo Parish rated good (40.3%); 45 (6.6%) 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 → (32.6277, -93.8371)
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 | Continuous prestressed concrete stringer or multi-beam girder |
| Length | about 1,224 ft |
| Location | 2.11 Mi N of La 1 |
| NBI structure number | 040900000040346 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Louisiana department of transportation.
Busiest bridges in Caddo Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I0020 over Cross Bayou | 1964 | 98,318 | Fair |
| I0020 over Cross Bayou | 1964 | 98,318 | Fair |
| I0020 over Cross Bayou Relf | 1964 | 98,318 | Fair |
| I0020 over Cross Bayou Relf | 1964 | 98,318 | Fair |
| I0020 over Drain | 1964 | 98,318 | Fair |
| I0020 over Drain | 1964 | 98,318 | Fair |
All bridges nearby: Caddo Parish, LA bridge conditions · every bridge in Caddo Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.