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Sc 4 over Rocky Swamp Creek

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

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

Sc 4 over Rocky Swamp Creek in Orangeburg 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 1922 and reconstructed in 1937, making it 103 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 208 of the 274 inventoried bridges in Orangeburg County rated fair (75.9%); 22 (8.0%) 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-26 over Gramling Creek	1960	56,200	Fair
I-26 over Gramling Creek	1960	55,600	Fair
I-26 over Middle Pen Creek	1960	55,600	Fair
I-26 over Mill Creek	1960	53,700	Fair
I-26 over Saddler Swamp	1960	29,400	Fair
I-26 over Earley Branch	1960	29,400	Fair