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SR 309 over Coldwater River

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

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

SR 309 over Coldwater River in Marshall County, Mississippi, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 2015, making it 10 years old at the 2025 inventory.
It carries about 3,800 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 111 of the 255 inventoried bridges in Marshall County rated good (43.5%); 19 (7.5%) 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 1,936 ft
Location	4.9 Mi N SR 178
NBI structure number	310030904702190
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I 22 over Byhalia Creek Trib	1980	38,000	Good
I 22 over Stream	1975	31,000	Good
I 22 over Stream	1975	31,000	Fair
I 22 over Stream	1975	30,000	Fair
I 22 over Stream	1975	30,000	Fair
I 22 over E.j. Vincent Road	1982	19,000	Fair