US 17 over RR Csxt

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

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

US 17 over RR Csxt in Colleton 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 2013, making it 12 years old at the 2025 inventory.
It carries about 13,600 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 76 of the 231 inventoried bridges in Colleton County rated good (32.9%); 6 (2.6%) 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 stringer or multi-beam girder
Length	about 140 ft
Location	Near Green Pond
NBI structure number	000000000006257
Condition class	Good

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 Combahee River	1970	26,000	Fair
I-95 NB over Combahee Swamp	1970	26,000	Fair
I-95 SB over Combahee River	1970	26,000	Fair
I-95 SB over Combahee Swamp	1970	26,000	Fair
I-95 NB over Great Swamp	1972	24,700	Fair
I-95 NB over S.c.l. Railroad	1972	24,700	Fair