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I-95 NB (SR-9) over St. Marys River

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

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

I-95 NB (SR-9) over St. Marys River in Nassau County, Florida, 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 1971 and reconstructed in 1998, making it 54 years old at the 2025 inventory.
It carries about 75,637 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 51 of the 106 inventoried bridges in Nassau County rated fair (48.1%); 3 (2.8%) 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


Structure	Continuous steel stringer or multi-beam girder
Length	about 1,250 ft
Location	I-95 / St. Marys River
NBI structure number	740089
Condition class	Fair

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 Lofton Creek	1968	56,500	Fair
I-95 (SR-9) over Cat Creek	1968	56,500	Fair
I-95 (sbl) over St Marys River	1971	54,710	Fair
SR-200 and A1A over Lofton Creek	2019	45,500	Good
I-95 SB (SR-9) over Sr-a1a & SR-200	1967	34,000	Good
I-95 NB (SR-9) over Sr-a1a & SR-200	1967	34,000	Good