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Sanchez Rd over Grand Bayou

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

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

Sanchez Rd over Grand Bayou in Lafourche Parish, Louisiana, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1955, making it 70 years old at the 2025 inventory.
It carries about 901 vehicles a day (traffic count year 2020).
Its listed owner is the county highway agency.
It is one of 20 of the 130 inventoried bridges in Lafourche Parish rated poor (15.4%); 20 (15.4%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 160 ft
Location	0065 Log Mi From Int
NBI structure number	022929510904071
Condition class	Poor

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
US0090 over on Ramp From LA308	1976	26,058	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