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SR 178 over Okannatie E B

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

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

SR 178 over Okannatie E B in Union County, Mississippi, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
It was built in 1938, making it 87 years old at the 2025 inventory.
It carries about 1,900 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 106 of the 203 inventoried bridges in Union County rated fair (52.2%); 3 (1.5%) 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 89 ft
Location	5.6 Mi E SR 15
NBI structure number	310017807307200
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I 22 over Sand Creek	1979	29,000	Good
I 22 over Okannattie Creek W B	1979	29,000	Good
I 22 over Okannattie Creek Relief	1979	29,000	Good
I 22 over Okannattie Creek Relief	1979	29,000	Good
I 22 over Tallahatchie River	1965	28,000	Fair
I 22 over Creek	1976	28,000	Fair