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I 55 over SR 315

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

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

I 55 over SR 315 in Panola County, Mississippi, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 7 (good condition) on the 0-9 scale.
It was built in 1959 and reconstructed in 2020, making it 66 years old at the 2025 inventory.
It carries about 12,500 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 63 of the 231 inventoried bridges in Panola County rated good (27.3%); 11 (4.8%) 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 concrete single box beam
Length	about 163 ft
Location	I 55 over SR 315
NBI structure number	11000550542523A
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
US 278 over Sand Creek	1939	19,000	Fair
US 278 over Harris Creek	1979	17,000	Fair
I 55 over SR 310	1959	13,500	Good
I 55 over SR 310	1959	13,500	Good
I 55 over Compress Road	1959	13,500	Good
I 55 over Compress Road	1959	13,500	Good