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SR 21 over N Canal Tuscolameta Crk

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

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

SR 21 over N Canal Tuscolameta Crk in Scott County, Mississippi, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
It was built in 1981, making it 44 years old at the 2025 inventory.
It carries about 3,900 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 105 of the 199 inventoried bridges in Scott County rated good (52.8%); 3 (1.5%) 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 361 ft
Location	4.3 Mi S SR 492
NBI structure number	310002106201370
Condition class	Good

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