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Old Port Gibson Rd over I 55

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

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

Old Port Gibson Rd over I 55 in Copiah 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 1963, making it 62 years old at the 2025 inventory.
It carries about 920 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 191 of the 267 inventoried bridges in Copiah County rated fair (71.5%); 15 (5.6%) 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	Continuous concrete single box beam
Length	about 266 ft
Location	0.7 Mi S SR 28
NBI structure number	410005501506000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I 55 over Henry Road	1960	15,500	Fair
I 55 over Henry Road	1960	15,500	Fair
I 55 over Gallman Road	1963	13,000	Fair
I 55 over Gallman Road	1963	13,000	Fair
I 55 over Clear Creek Road	1963	13,000	Poor
I 55 over Clear Creek Road	1963	13,000	Poor