I0049 over La 493

Natchitoches Parish, Louisiana · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

I0049 over La 493 in Natchitoches Parish, Louisiana, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 1986, making it 39 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.
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.

Component ratings


Structure	Continuous prestressed concrete stringer or multi-beam girder
Length	about 206 ft
Location	Int. I-49 South & La 493
NBI structure number	083504550614402
Condition class	Good

Source: FHWA National Bridge Inventory, 2025 data as reported by the Louisiana department of transportation.

Bridge	Built	Vehicles/day	Condition
I0049 over La 490	1985	28,142	Good
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