I0049 over La 490
Natchitoches Parish, Louisiana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I0049 over La 490 in Natchitoches Parish, Louisiana, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1985, making it 40 years old at the 2025 inventory.
- It carries about 28,142 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 129 of the 320 inventoried bridges in Natchitoches Parish rated good (40.3%); 46 (14.4%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated July 2024, on a 24-month routine inspection cycle.
- 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 → (31.49462, -92.8618)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous prestressed concrete stringer or multi-beam girder |
| Length | about 213 ft |
| Location | I-49/LA 490 Intg. |
| NBI structure number | 083504550604802 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Louisiana department of transportation.
Busiest bridges in Natchitoches Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I0049 over Bayou Barbue | 1984 | 28,142 | Fair |
| I0049 over Barbue Bayou Trib. | 1984 | 28,142 | Fair |
| I0049 over Emmanuel Road | 1985 | 28,142 | Fair |
| I0049 over Comitte Bayou | 1984 | 28,142 | Fair |
| I0049 over LA119 | 1985 | 28,142 | Fair |
| I0049 over La 493 | 1986 | 28,142 | Good |
All bridges nearby: Natchitoches Parish, LA bridge conditions · every bridge in Natchitoches Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.