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US0090 over Drain Canals LA.20 RR

Terrebonne Parish, Louisiana · rated Fair in the 2025 National Bridge Inventory

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

US0090 over Drain Canals LA.20 RR in Terrebonne Parish, Louisiana, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1995, making it 30 years old at the 2025 inventory.
It carries about 4,014 vehicles a day (traffic count year 2021).
Its listed owner is the state highway agency.
It is one of 101 of the 214 inventoried bridges in Terrebonne Parish rated fair (47.2%); 22 (10.3%) 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	Continuous prestressed concrete stringer or multi-beam girder
Length	about 29,543 ft
Location	.5 Mi East of La 311
NBI structure number	025504240708361
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
LA0024 over Bayou Terrebonne	2006	30,800	Fair
LA0024 over Intracoastal Waterway	1996	29,371	Good
LA0024 over Sprr & La 20	1970	28,505	Fair
LA0024 over Cane Bayou	1960	23,871	Good
LA0024 over Bayou Terrebonne	1998	22,400	Good
LA0024 over Intracoastal Waterway	1996	20,358	Good