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S-17-42 over Buck Swamp

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

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

S-17-42 over Buck Swamp in Dillon 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 1992, making it 33 years old at the 2025 inventory.
It carries about 325 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 32 of the 129 inventoried bridges in Dillon County rated good (24.8%); 14 (10.9%) 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

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

Bridge	Built	Vehicles/day	Condition
I-95 NB over Great Pee Dee Swamp	1966	23,150	Fair
I-95 SB over Great Pee Dee Swamp	1966	23,150	Fair
I-95 NB over Brownsville Creek & Frtg	1967	23,150	Fair
I-95 NB over Poccosin Swamp	1967	23,150	Fair
I-95 SB over Brownsville Creek & Frtg	1967	23,150	Fair
I-95 SB over Poccosin Swamp	1967	23,150	Fair