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S-41-21 over Halfway Swamp Creek

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

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

S-41-21 over Halfway Swamp Creek in Saluda 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 substructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1970, making it 55 years old at the 2025 inventory.
It carries about 125 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 5 of the 125 inventoried bridges in Saluda County rated poor (4.0%); 5 (4.0%) 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


Structure	Prestressed concrete channel beam
Length	about 120 ft
Location	9.8 Mi NW Saluda
NBI structure number	000000000005844
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 378 over Rocky Creek	1936	8,100	Good
US 178 over Little Saluda River	1949	6,900	Fair
Sc 391 over Little Saluda River	1990	5,000	Fair
US 178 over Richland Creek	1949	4,900	Fair
US 178 over Clouds Creek	1949	4,900	Fair
US 178 over Moores Creek	1949	4,900	Poor