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I 55 over US 84

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

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

I 55 over US 84 in Lincoln 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 6 (satisfactory condition) on the 0-9 scale.
It was built in 1966, making it 59 years old at the 2025 inventory.
It carries about 10,500 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 119 of the 355 inventoried bridges in Lincoln County rated fair (33.5%); 18 (5.1%) 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 292 ft
Location	I 55 over US 84
NBI structure number	11000550430375A
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 Unnamed Stream	1965	21,000	Fair
I 55 over Doolittle Branch	1966	21,000	Fair
I 55 over Bogue Chitto River	1966	12,500	Good
I 55 over Zetus Road	1966	12,500	Good
I 55 over Zetus Road	1966	12,500	Good
I 55 over Brookway Blvd	1966	12,500	Good