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S-22-45 over Trib to Boser Swamp

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

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

S-22-45 over Trib to Boser Swamp in Georgetown 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 9 (excellent condition) on the 0-9 scale.
It was built in 2022, making it 3 years old at the 2025 inventory.
It carries about 150 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 39 of the 114 inventoried bridges in Georgetown County rated good (34.2%); 7 (6.1%) 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	3 Mi E of Outland
NBI structure number	000000000010493
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 17 over Waccamaw River	1966	25,600	Poor
US 17 over Great Pee Dee River	1967	25,600	Fair
US 17 Alt over Whites Creek	1920	19,200	Fair
US 17 Sbl over Sampit River_& S-103	1984	12,600	Fair
US 17 NB over Sampit River_& S-103	1988	12,600	Good
US 17 Alt over Spring Gulley	1920	12,000	Good