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US 17 Alt & Sc 41 over Santee River

Berkeley County, South Carolina · rated Fair in the 2025 National Bridge Inventory

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

US 17 Alt & Sc 41 over Santee River in Berkeley County, South Carolina, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1998, making it 27 years old at the 2025 inventory.
It carries about 5,600 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 130 of the 217 inventoried bridges in Berkeley County rated fair (59.9%); 8 (3.7%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Continuous prestressed concrete stringer or multi-beam girder
Length	about 3,890 ft
Location	21 Mi NE Moncks Corner
NBI structure number	000000000009396
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-26 over Saw Mill Branch	1960	93,600	Fair
I-526 over Cooper River	1992	76,300	Fair
US 17 Alt over I-26	2003	59,300	Good
I-26 over Timothy Creek	1960	52,800	Fair
I-26 EB over Timothy Creek	1960	52,800	Fair
US 17 Alt over Sawmill Creek	1936	44,000	Good