LA0177 over I-49

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

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

• LA0177 over I-49 in De Soto 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 1989, making it 36 years old at the 2025 inventory.
• It carries about 2,878 vehicles a day (traffic count year 2021).
• Its listed owner is the state highway agency.
• It is one of 132 of the 201 inventoried bridges in De Soto Parish rated fair (65.7%); 15 (7.5%) 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.

View this bridge on a map → (31.96258, -93.4504)

Component ratings

Bridge details

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

Busiest bridges in De Soto Parish

All bridges nearby: De Soto Parish, LA bridge conditions · every bridge in De Soto Parish · Louisiana bridges.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.