Bridge conditions in Orangeburg County, South Carolina
274 inventoried bridges · 22 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 274 bridges in Orangeburg County: 44 rated good, 208 fair, and 22 poor.
- 22 of the 274 bridges in Orangeburg County, South Carolina, are rated in poor condition (8.0%) in the 2025 National Bridge Inventory, as of .
- 44 bridges (16.1%) are rated good and 208 (75.9%) fair.
- The median Orangeburg County bridge was built in 1962.
- The busiest poor-rated bridge is US 176 over Target Creek (built 1950), carrying about 3,800 vehicles a day.
Good 16.1% · Fair 75.9% · Poor 8.0% of 274 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 176 over Target Creek | 1950 | 3,800 | Poor |
| US 178 over Bull Swamp | 1940 | 3,600 | Poor |
| Sc 70 over Roberts Swamp | 1957 | 3,100 | Poor |
| Sc 453 over Four Hole Swamp | 1975 | 2,600 | Poor |
| Sc 39 over S. Edisto River Swamp | 1940 | 2,200 | Poor |
| S-38-39 over Cooper Swamp | 1940 | 1,200 | Poor |
| Sc 210 over Four Hole Swamp | 1927 | 850 | Poor |
| S-38-191 over Roberts Swamp | 1939 | 350 | Poor |
| S-38-200 over Bushy Branch | 1953 | 350 | Poor |
| S-38-77 over Little Limestone Creek | 1956 | 250 | Poor |
| S-38-92 over Cow Castle Creek | 1971 | 225 | Poor |
| C-38-537 over Cattle Creek | 1970 | 200 | Poor |
| S-1426 over Long Branch | 1976 | 200 | Poor |
| C-38-1239 over Buck Branch | 1976 | 200 | Poor |
| C-38-1984 over Buck Creek | 1980 | 200 | Poor |
| S-38-690 over Roberts Swamp | 1960 | 175 | Poor |
| S-38-140 over Trib to Goodbys Swamp | 1969 | 175 | Poor |
| S-38-1071 over Sunnyside Canal | 1961 | 150 | Poor |
| S-38-58 over Big Beaver Creek | 1966 | 125 | Poor |
| S-38-2038 over Providence_swamp | 1972 | 125 | Poor |
| C-38-3277 over Snake Swamp | 1979 | 125 | Poor |
| S-38-640 over Trib to Four Hole Swamp | 1968 | 50 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-26 over Gramling Creek | 1960 | 56,200 | Fair |
| I-26 over Gramling Creek | 1960 | 55,600 | Fair |
| I-26 over Middle Pen Creek | 1960 | 55,600 | Fair |
| I-26 over Mill Creek | 1960 | 53,700 | Fair |
| I-26 over Saddler Swamp | 1960 | 29,400 | Fair |
| I-26 over Earley Branch | 1960 | 29,400 | Fair |
| I-26 EB over S-38-2029 Southern RR | 1960 | 29,400 | Fair |
| I-26 WB over S-38-2029 Southern RR | 1960 | 29,400 | Fair |
| US 178 over Caw Caw Swamp | 1942 | 29,000 | Fair |
| US 301 over North Edisto Swamp | 1954 | 28,600 | 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.