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County Road 121 over I 22

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

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

County Road 121 over I 22 in Union 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 1979, making it 46 years old at the 2025 inventory.
It carries about 220 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 94 of the 203 inventoried bridges in Union County rated good (46.3%); 3 (1.5%) 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	Continuous prestressed concrete stringer or multi-beam girder
Length	about 420 ft
Location	4.0 Mi E SR 15
NBI structure number	410007807307000
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 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