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Cr-439 over Black Water Swamp Creek

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

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

Cr-439 over Black Water Swamp Creek in Lake 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 5 (fair condition) on the 0-9 scale.
It was built in 1940 and reconstructed in 1960, making it 85 years old at the 2025 inventory.
It carries about 4,500 vehicles a day (traffic count year 2023).
Its listed owner is the county highway agency.
It is one of 37 of the 116 inventoried bridges in Lake County rated fair (31.9%); 0 (0.0%) 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	5	Fair condition

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

Bridge	Built	Vehicles/day	Condition
SR91 Tpk NS 278.5 over Triple E. Rd.	1964	75,900	Fair
N Hancock Rd 279 over SR 91 Tpk	2017	75,900	Good
SR 91 Tpk NS 284.4 over Little Everglades Canal	1964	50,000	Good
Bridges Rd 289.7 over SR 91 Tpk	1964	45,300	Fair
US-441 over Dora Canal	2005	45,000	Good
SR 91 Tpk NB 275.3 over CR 50	1964	37,950	Good