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LA0087 over Charenton Canal

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

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

LA0087 over Charenton Canal in St. Mary 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 6 (satisfactory condition) on the 0-9 scale.
It was built in 1999, making it 26 years old at the 2025 inventory.
It carries about 883 vehicles a day (traffic count year 2021).
Its listed owner is the state highway agency.
It is one of 79 of the 124 inventoried bridges in St. Mary Parish rated fair (63.7%); 9 (7.3%) 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 365 ft
Location	0.5 Mi West of La 326
NBI structure number	035102410208871
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 Ramp I	1984	24,384	Good
US0090 over Ramp M	1984	24,384	Good
US0090 over Patterson Canal	1964	22,893	Good
US0090 over Charenton Canal	1978	21,000	Fair
US0090 over Drain	1973	18,127	Fair
US0090 over Barrow Canal	1964	17,736	Fair