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SR710 Warfield Blv over Drainage Canal

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

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

SR710 Warfield Blv over Drainage Canal in Martin 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 1958, making it 67 years old at the 2025 inventory.
It carries about 7,400 vehicles a day (traffic count year 2025).
Its listed owner is the state highway agency.
It is one of 34 of the 129 inventoried bridges in Martin County rated fair (26.4%); 1 (0.8%) 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-95 (SR-9) over Drainage Ditch	1987	111,500	Good
Sr-9(i-95) over Drainage Ditch	1987	103,500	Good
I-95 (SR-9) over Hanson Grant Outlet	1987	74,500	Fair
SR 91 Tpk 137.25 over Drainage Ditch	1957	59,900	Good
SR91 N/S Tpk 138.1 over County Line Canal C-23	1957	59,900	Fair
SR91 N/S Tpk 135.6 over Bessey Creek	1957	59,900	Fair