LA0454 over Wiggins Bayou

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

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

• LA0454 over Wiggins Bayou in Avoyelles 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 0 (failed condition, out of service) on the 0-9 scale.
• It was built in 1958, making it 67 years old at the 2025 inventory.
• It carries about 226 vehicles a day (traffic count year 2021).
• Its listed owner is the state highway agency.
• It is one of 26 of the 150 inventoried bridges in Avoyelles Parish rated poor (17.3%); 26 (17.3%) are rated poor.
• Its traffic status in the 2025 inventory is closed to all traffic (NBI item 41).
• Its condition class and component ratings are unchanged from the 2024 inventory.
• Its most recent inspection on record is dated June 2024, on a 12-month routine inspection cycle.
• It is coded scour critical (NBI item 113 = 0): scour critical: bridge has failed and is closed to traffic.
• 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.

View this bridge on a map → (31.17178, -92.1956)

Component ratings

Bridge details

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

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