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Melvin Dupris Rd over I-10

St. Martin Parish, Louisiana · rated Good in the 2025 National Bridge Inventory

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

Melvin Dupris Rd over I-10 in St. Martin 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 2022, making it 3 years old at the 2025 inventory.
It carries about 1,329 vehicles a day (traffic count year 2004).
Its listed owner is the state highway agency.
It is one of 46 of the 117 inventoried bridges in St. Martin Parish rated good (39.3%); 10 (8.5%) 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.

Component ratings


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 844 ft
Location	0.28 Mi W OF LA 347
NBI structure number	035000000000019
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
US0090 over Creek	1965	62,432	Fair
Sawmill Rd over I-10	1970	60,066	Good
I0010 over Atchafalaya River	1972	56,100	Fair
I0010-e over La 328	2020	50,425	Good
I0010 over Bayou Teche	1970	50,425	Good
I0010 over E Atchafalaya Floodway	1972	42,449	Fair