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Sc 120 over Sammy Swamp

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

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

Sc 120 over Sammy Swamp in Sumter 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 culvert, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1930 and reconstructed in 1965, making it 95 years old at the 2025 inventory.
It carries about 1,850 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 82 of the 166 inventoried bridges in Sumter County rated fair (49.4%); 17 (10.2%) 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

Component	Rating (2025)	FHWA scale meaning
Culvert	6	Satisfactory condition

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

Bridge	Built	Vehicles/day	Condition
I-95 over Douglas Swamp	1967	33,700	Fair
I-95 over Hope Swamp	1967	33,200	Poor
I-95 over Pudding Swamp	1967	33,200	Fair
US 76 over Green Swamp	1941	30,400	Fair
US 76/US 378 over Long Branch	1941	26,400	Fair
US 521 over Shot Pouch Branch	1977	25,200	Fair