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LA0605 over Lake Bruin Bayou

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

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

LA0605 over Lake Bruin Bayou in Tensas Parish, Louisiana, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1951, making it 74 years old at the 2025 inventory.
It carries about 2,306 vehicles a day (traffic count year 2021).
Its listed owner is the state highway agency.
It is one of 20 of the 52 inventoried bridges in Tensas Parish rated fair (38.5%); 2 (3.8%) 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	Timber stringer or multi-beam girder
Length	about 134 ft
Location	4.5 Mi North of La 604
NBI structure number	585400203009381
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US0065 over Drain	1953	2,374	Fair
LA0128 over Indian Slough Canal	1932	2,306	Good
US0065 over Bayou	1953	2,109	Fair
US0065 over Tensas Bayou	1957	2,033	Good
US0065 over Creek	1957	2,033	Good
US0065 over Lake Bruin Bayou	1948	1,873	Fair