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US 45 over SR 145

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

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

US 45 over SR 145 in Lee 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 1991, making it 34 years old at the 2025 inventory.
It carries about 13,500 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 121 of the 389 inventoried bridges in Lee County rated fair (31.1%); 18 (4.6%) 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 508 ft
Location	US 45 over SR 145
NBI structure number	21000450412339B
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US 45 over Old Town Creek Relief	1983	37,000	Good
I 22 over Ditch	1982	34,000	Good
I 22 over Boguefala Creek	1982	34,000	Good
I 22 over Ditch	1983	33,000	Good
I 22 over West Tulip Creek	1983	31,000	Good
I 22 over Middle Tulip Creek	1983	31,000	Good