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Morton Marathon Rd over Strong River

Scott County, Mississippi · rated Poor in the 2025 National Bridge Inventory

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

Morton Marathon Rd over Strong River in Scott County, Mississippi, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1965, making it 60 years old at the 2025 inventory.
It carries about 600 vehicles a day (traffic count year 2024).
Its listed owner is the county highway agency.
It is one of 3 of the 199 inventoried bridges in Scott County rated poor (1.5%); 3 (1.5%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 140 ft
Location	Sec 18 T 5N R 7E B
NBI structure number	SA6200000000016
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
I 20 over Talla Bogue Creek	1970	25,000	Fair
I 20 over Line Creek	1966	13,500	Good
I 20 over Line Creek	1966	13,500	Good
I 20 over Line Creek Road	1966	13,500	Fair
I 20 over Line Creek Road	1966	13,500	Fair
I 20 over Creek	1966	12,500	Good