Home › South Carolina › Horry County › US 501 SB over Forestbrook Rd

US 501 SB over Forestbrook Rd

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

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

US 501 SB over Forestbrook Rd 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 7 (good condition) on the 0-9 scale.
It was built in 2004, making it 21 years old at the 2025 inventory.
It carries about 31,900 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	Continuous steel stringer or multi-beam girder
Length	about 1,014 ft
Location	4 Mi N. of Myrtle Beach
NBI structure number	000000000009880
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