Bridge conditions in Beaufort County, South Carolina
72 inventoried bridges · 4 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
4 of the 72 bridges the federal inventory lists in Beaufort County are rated poor; the rest split 28 good and 40 fair.
- 4 of the 72 bridges in Beaufort County, South Carolina, are rated in poor condition (5.6%) in the 2025 National Bridge Inventory, as of .
- 28 bridges (38.9%) are rated good and 40 (55.6%) fair.
- The median Beaufort County bridge was built in 1994.
- The busiest poor-rated bridge is US 278 EB over Mackay Creek (built 1956), carrying about 28,950 vehicles a day.
Good 38.9% · Fair 55.6% · Poor 5.6% of 72 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 278 EB over Mackay Creek | 1956 | 28,950 | Poor |
| US 21 SB over Beaufort River | 1979 | 14,400 | Poor |
| US 17 NB over Huspa Creek | 1993 | 6,600 | Poor |
| US 17 SB over Huspa Creek | 1993 | 6,600 | Poor |
Busiest bridges in the county
| 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 |
| US 21 over Albergotti Creek | 2014 | 31,400 | Good |
| US 278 over S-7-835 & Broad Creek | 1994 | 31,200 | Fair |
| Sc 170 over Chechessee River | 2003 | 30,600 | Fair |
| Sc 170 over Broad River | 2003 | 30,600 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of South Carolina: South Carolina bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.