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US 31 SB over West 3A Road

Marshall County, Indiana · rated Good in the 2025 National Bridge Inventory

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

US 31 SB over West 3A Road in Marshall County, Indiana, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
It was built in 2014, making it 11 years old at the 2025 inventory.
It carries about 8,763 vehicles a day (traffic count year 2015).
Its listed owner is the state highway agency.
It is one of 102 of the 183 inventoried bridges in Marshall County rated good (55.7%); 6 (3.3%) 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.

Component ratings


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 59 ft
Location	01.30 S US 6
NBI structure number	079826
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Veterans Parkway over Elmer Seltenright Ditch	2015	18,350	Good
US 31 NB over Yellow River	1960	14,402	Fair
US 31 SB over Yellow River	1960	14,402	Good
US 30 EB over Western Avenue	1964	14,007	Fair
US 30 WB over Western Avenue	1964	14,007	Fair
South Michigan St over Yellow River	1917	10,525	Fair