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Sc 576 over Catfish Canal

Marion County, South Carolina · rated Poor in the 2025 National Bridge Inventory

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

Sc 576 over Catfish Canal in Marion County, South Carolina, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 4 (poor condition) on the 0-9 scale.
It was built in 1971, making it 54 years old at the 2025 inventory.
It carries about 11,900 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 10 of the 112 inventoried bridges in Marion County rated poor (8.9%); 10 (8.9%) 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

Component	Rating (2025)	FHWA scale meaning
Culvert	4	Poor condition


Structure	Continuous concrete culvert
Length	about 72 ft
Location	2 Mi S of Marion
NBI structure number	000000000005983
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
US 501 over Reedy Creek	1944	16,000	Fair
US 501 over S.c.l. Railroad	1936	16,000	Fair
US 76 EB over Great Pee Dee River	1962	11,450	Fair
US 76 WB over Great Pee Dee River	1992	11,450	Fair
US 76 over Smith Branch	1925	11,400	Fair
US 76 WB over Tobys Creek	1950	11,200	Fair