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US0090 over on Ramp From LA308

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

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

US0090 over on Ramp From LA308 in Lafourche 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 1976, making it 49 years old at the 2025 inventory.
It carries about 26,058 vehicles a day (traffic count year 2021).
Its listed owner is the state highway agency.
It is one of 51 of the 130 inventoried bridges in Lafourche Parish rated good (39.2%); 20 (15.4%) 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	Prestressed concrete stringer or multi-beam girder
Length	about 1,102 ft
Location	.4 Mi East of La 1
NBI structure number	022904240811665
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
US0090 over Drainage Canal	1976	27,665	Fair
US0090 over Drainage Canal	1976	27,665	Good
LA0020 over 40 Arpent Canal	1968	20,091	Fair
LA0020 over Drainage Canal	1968	20,091	Good
LA0020 over Drainage Canal	1968	20,091	Poor
LA0020 over Drainage Canal	1968	20,091	Fair