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SR 31 over Withlacoochee River

Madison County, Florida · rated Good in the 2025 National Bridge Inventory

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

SR 31 over Withlacoochee River in Madison County, Florida, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 2015, making it 10 years old at the 2025 inventory.
It carries about 1,660 vehicles a day (traffic count year 2020).
Its listed owner is the state highway agency.
It is one of 23 of the 60 inventoried bridges in Madison County rated good (38.3%); 1 (1.7%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 779 ft
Location	App 4 Mi S of Clyattville
NBI structure number	35GA68
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I-10 (SR-8) over Cedar Creek	1973	20,200	Fair
I-10 (SR-8) over Piddlin Creek	1973	20,200	Fair
I-10 (SR-8) over Piddlin Creek	1973	20,200	Fair
I-10 (SR-8) over Hixtown Swamp Equalizer	1973	20,200	Fair
I-10 WB (SR-8) over SR-53	1972	14,978	Fair
I-10 EB (SR-8) over SR-53	1972	14,978	Fair