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US0171 over Mp RR & US 190

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

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

US0171 over Mp RR & US 190 in Beauregard 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 2007, making it 18 years old at the 2025 inventory.
It carries about 5,963 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 170 of the 221 inventoried bridges in Beauregard Parish rated fair (76.9%); 23 (10.4%) 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 1,200 ft
Location	6.5 Mi S of La 110
NBI structure number	070600240307172
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US0171 over Hickory Branch	1975	36,105	Fair
US0190 over Palmetto Creek	2012	18,056	Fair
US0190 over Drain	1964	18,056	Poor
US0171 over Bayou	2007	12,466	Fair
US0171 over Indian Bayou	1932	12,466	Fair
US0171 over Drainage	2007	12,466	Fair