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LA0031 over I-10

St. Martin Parish, Louisiana · rated Fair in the 2025 National Bridge Inventory

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

LA0031 over I-10 in St. Martin Parish, Louisiana, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1970, making it 55 years old at the 2025 inventory.
It carries about 8,168 vehicles a day (traffic count year 2021).
Its listed owner is the state highway agency.
It is one of 61 of the 117 inventoried bridges in St. Martin Parish rated fair (52.1%); 10 (8.5%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 1,250 ft
Location	1.17 Mi N of La 94
NBI structure number	035000563001171
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US0090 over Creek	1965	62,432	Fair
Sawmill Rd over I-10	1970	60,066	Good
I0010 over Atchafalaya River	1972	56,100	Fair
I0010-e over La 328	2020	50,425	Good
I0010 over Bayou Teche	1970	50,425	Good
I0010 over E Atchafalaya Floodway	1972	42,449	Fair