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SR 315 over Black Bayou

Coahoma County, Mississippi · rated Fair in the 2025 National Bridge Inventory

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

SR 315 over Black Bayou in Coahoma County, Mississippi, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1966, making it 59 years old at the 2025 inventory.
It carries about 710 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 65 of the 115 inventoried bridges in Coahoma County rated fair (56.5%); 5 (4.3%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 120 ft
Location	3.0 Mi E US 61
NBI structure number	310031501400300
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
SR 161 over Sunflower River	1975	17,000	Fair
Second Street over Sunflower River	1936	11,000	Poor
First Street over Sunflower River	2002	7,400	Fair
West Lee Drive over Little Sunflower River	2001	6,000	Fair
US 61 over Ditch	1983	5,500	Fair
US 61 over Ditch	1983	5,500	Fair