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Sc 172 over Caw Caw Swamp

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

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

Sc 172 over Caw Caw Swamp in Calhoun 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 5 (fair condition) on the 0-9 scale.
It was built in 1938 and reconstructed in 1967, making it 87 years old at the 2025 inventory.
It carries about 1,200 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 53 of the 61 inventoried bridges in Calhoun County rated fair (86.9%); 2 (3.3%) 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


Structure	Steel stringer or multi-beam girder
Length	about 47 ft
Location	10MI W of St Matthews
NBI structure number	000000000000837
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-26 over Savany Hunt Creek	1960	64,600	Fair
I-26 over Sandy Run Creek	1960	62,000	Fair
I-26 over Murph Mill Creek	1960	61,200	Fair
I-26 over Burke Creek	1960	58,800	Fair
US 601 over Antley Spring Creek	1930	5,700	Good
US 21 over Murph Mill Creek	1940	5,000	Fair