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I-75 over Imperial River Relief

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

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

I-75 over Imperial River Relief in Lee County, Florida, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1979 and reconstructed in 2011, making it 46 years old at the 2025 inventory.
It carries about 108,000 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 96 of the 391 inventoried bridges in Lee County rated fair (24.6%); 2 (0.5%) 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

Component	Rating (2025)	FHWA scale meaning
Culvert	6	Satisfactory condition

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

Bridge	Built	Vehicles/day	Condition
I-75 (SR-93) over Corkscrew Canal	1979	112,000	Fair
I-75 over Hicks Crossing Canal	1979	112,000	Good
I-75 SB (SR-93) over Caloosahatchee River	1976	94,500	Good
I-75 NB (SR-93) over Caloosahatchee River	1976	94,500	Fair
SR-884ColonialBlvd over Ten Mile Canal	1976	70,000	Fair
US-41 (SR-45) over Dry Bed Creek	1951	62,500	Fair