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S-7-30 over Myrtle Island Creek

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

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

S-7-30 over Myrtle Island Creek in Beaufort 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 5 (fair condition) on the 0-9 scale.
It was built in 1996, making it 29 years old at the 2025 inventory.
It carries about 225 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 40 of the 72 inventoried bridges in Beaufort County rated fair (55.6%); 4 (5.6%) 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

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

Bridge	Built	Vehicles/day	Condition
US 278 EB over Okatie River	1991	33,950	Fair
US 278 EB over Sc 170	1991	33,950	Good
US 278 WB over Okatie River	1991	33,950	Fair
US 278 WB over Sc 170	1991	33,950	Good
US 21/RIBAUT Rd over Battery Creek Overflow	1993	32,900	Fair
US 21 over Battery Creek	1994	32,900	Fair