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US-301 (SR-200) NB over Norfolk S RR

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

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

US-301 (SR-200) NB over Norfolk S RR in Nassau County, Florida, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, 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 4,150 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 52 of the 106 inventoried bridges in Nassau County rated good (49.1%); 3 (2.8%) 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 91 ft
Location	5 Mi. S of Callahan
NBI structure number	740120
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
I-95 NB (SR-9) over St. Marys River	1971	75,637	Fair
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