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S-26-857 over Br of Cowpen Swp

Horry County, South Carolina · rated Good in the 2025 National Bridge Inventory

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

S-26-857 over Br of Cowpen Swp in Horry County, South Carolina, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
It was built in 2014, making it 11 years old at the 2025 inventory.
It carries about 750 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 225 of the 480 inventoried bridges in Horry County rated good (46.9%); 24 (5.0%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Prestressed concrete multiple box beam
Length	about 60 ft
Location	8MI SE Loris
NBI structure number	000000000006310
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
US 501 over Intercoastal Waterway	1963	63,800	Fair
US 501 Byp over U.S.701	1958	56,800	Poor
US 501 Byp over Waccamaw River	1958	56,800	Poor
S-26-1315 over Grissom Parkway Tunnel	2002	55,000	Good
S-26-1315 over Sc 31	2002	55,000	Good
S-26-1315 over L-6311	2002	55,000	Good