Bridge conditions in Richland County, South Carolina
367 inventoried bridges · 17 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Richland County tracks close to typical: 17 of its 367 inventoried bridges (4.6%) are rated poor, against a national rate of about 7%.
- 17 of the 367 bridges in Richland County, South Carolina, are rated in poor condition (4.6%) in the 2025 National Bridge Inventory, as of .
- 182 bridges (49.6%) are rated good and 168 (45.8%) fair.
- The median Richland County bridge was built in 1982.
- The busiest poor-rated bridge is I-77 SB over US 21 (built 1976), carrying about 36,350 vehicles a day.
Good 49.6% · Fair 45.8% · Poor 4.6% of 367 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 |
|---|---|---|---|
| I-77 SB over US 21 | 1976 | 36,350 | Poor |
| US 1 over I-77 | 1977 | 31,000 | Poor |
| US 76 over RR Csxt | 1939 | 21,600 | Poor |
| US 76 over US 601 | 1957 | 19,100 | Poor |
| US 321 over Crane Creek | 1927 | 14,900 | Poor |
| US 601 over Colonels Creek | 1939 | 5,700 | Poor |
| Sc 215 over Big Cedar Creek | 1928 | 3,200 | Poor |
| Sc 215 over Little River | 1928 | 2,500 | Poor |
| S-40-311 over Stoop Creek | 1978 | 2,000 | Poor |
| S-40-1694 over Beasley Creek | 1967 | 1,350 | Poor |
| S-40-949 over Pen Branch | 1995 | 1,300 | Poor |
| S-40-1367 over Boney Creek | 1983 | 1,050 | Poor |
| S-40-1601 over Eightmile Branch | 1966 | 325 | Poor |
| Centurydivision Rd over Colonels Creek | 1941 | 120 | Poor |
| S-40-1600 over Unnamed | 1966 | 100 | Poor |
| Compass Rd. over Colonels Creek | 1972 | 50 | Poor |
| Liquor Still Rd. over Colonels Creek | 1984 | 25 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-26 over I-20 | 1964 | 143,200 | Fair |
| I-26/RAMP Off I-26 over RR Csxt | 1958 | 130,700 | Fair |
| I-20 over Crane Creek & S-43 | 1964 | 123,700 | Fair |
| I-20 over Broad River | 1965 | 123,700 | Fair |
| I-20 over Sou. RR & Priv. Rd. . | 1965 | 123,700 | Fair |
| I-20 over Trib to Crane Creek | 1965 | 107,900 | Fair |
| I-20 over Sc 555 Sou RR Frtg Rd | 1965 | 105,700 | Fair |
| I-77 Ramps On/off over Trib to Gills Creek | 1986 | 94,700 | Good |
| I-77 over Crane Creek | 1980 | 93,200 | Fair |
| I-77 over Cumbess Creek | 1982 | 93,200 | Good |
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.