Bayou Dupont over Marthaville Rd

Sabine Parish, Louisiana · rated Good in the 2025 National Bridge Inventory

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

• Bayou Dupont over Marthaville Rd in Sabine Parish, Louisiana, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
• It was built in 2017, making it 8 years old at the 2025 inventory.
• It carries about 200 vehicles a day (traffic count year 2022).
• Its listed owner is the county highway agency.
• It is one of 101 of the 195 inventoried bridges in Sabine Parish rated good (51.8%); 22 (11.3%) are rated poor.
• A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

View this bridge on a map → (31.668, -93.4406)

Component ratings

Bridge details

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

Busiest bridges in Sabine Parish

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

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