Bridge conditions in Clarendon County, South Carolina
170 inventoried bridges · 7 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
7 of the 170 bridges the federal inventory lists in Clarendon County are rated poor; the rest split 31 good and 132 fair.
- 7 of the 170 bridges in Clarendon County, South Carolina, are rated in poor condition (4.1%) in the 2025 National Bridge Inventory, as of .
- 31 bridges (18.2%) are rated good and 132 (77.6%) fair.
- The median Clarendon County bridge was built in 1968.
- The busiest poor-rated bridge is S-14-56 over Tawcaw Creek (built 1956), carrying about 750 vehicles a day.
Good 18.2% · Fair 77.6% · Poor 4.1% of 170 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 |
|---|---|---|---|
| S-14-56 over Tawcaw Creek | 1956 | 750 | Poor |
| S-14-40 over Black River | 1971 | 550 | Poor |
| S-14-50 over Tearcoat Branch | 1974 | 425 | Poor |
| S-14-307 over Broadway Branch | 1964 | 350 | Poor |
| S-14-307 over Sammy Swamp | 1964 | 350 | Poor |
| S-14-106 over Horse Branch | 1952 | 275 | Poor |
| S-14-194 over Newman Branch | 1954 | 150 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-95 over Tawcaw Creek | 1967 | 35,400 | Fair |
| I-95 NB over Lake Marion | 1968 | 19,800 | Fair |
| I-95 NB over Lake Marion Relief | 1968 | 19,800 | Fair |
| I-95 NB over US 15 | 1968 | 19,800 | Fair |
| I-95 SB over Lake Marion | 1968 | 19,800 | Fair |
| I-95 SB over Lake Marion Relief | 1968 | 19,800 | Fair |
| I-95 SB over US 15 | 1968 | 19,800 | Fair |
| I-95 NB over Pocotaligo Swamp (no. 1) | 1967 | 18,100 | Fair |
| I-95 NB over Pocotaligo River (no. 2) | 1967 | 18,100 | Fair |
| I-95 NB over Pocotaligo Swamp (no. 3) | 1967 | 18,100 | 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.