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S-34-506 over Pitch Pot Swamp

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

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

S-34-506 over Pitch Pot Swamp in Marion County, South Carolina, 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 1965 and reconstructed in 2007, making it 60 years old at the 2025 inventory.
It carries about 1,750 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 64 of the 112 inventoried bridges in Marion County rated fair (57.1%); 10 (8.9%) 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

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
Sc 576 over Catfish Canal	1971	11,900	Poor
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