Hampton County Bridge Report Card
Hampton County scores 74 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Hampton County, South Carolina
Hampton County has 113 bridges in the National Bridge Inventory, with 5 rated poor and 8 rated scour-critical. Its poor-condition share of 4.4% is at or below the 6.3% statewide average. Poor-condition bridges carry about 3,675 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Hampton County a Bridge Condition Exposure Score of 74/100 (C). The county has 113 bridges in the National Bridge Inventory, including 5 in poor condition and 8 rated scour-critical. Poor-condition bridges carry about 3,675 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.
How the Score Breaks Down
| Factor | Weight | County Value | Penalty |
|---|---|---|---|
| Poor-condition bridge share | 40 | 4.4% | 8.8 |
| Poor-condition traffic exposure | 25 | 0.9% of measured traffic | 0.7 |
| Scour-critical bridge share | 20 | 7.1% | 14.2 |
| Average age vs national baseline | 10 | 53 years vs 48 nationally | 2.1 |
| Traffic-data completeness | 5 | 411,125 measured daily crossings | 0.0 |
Score = 100 minus weighted penalties. The score is a comparative research signal, not an official safety rating. Read the full methodology.
County Comparisons
| County Poor-Condition Share | 4.4% |
| State Poor-Condition Share | 6.3% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 7.1% |
| Average Bridge Age | 53 years |
| Poor-Condition Traffic Exposure | 3,675 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Hampton County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| US 17 Alt over Scl Rr & S-1 | Poor condition + traffic exposure | Poor | 1,950 | 1938 |
| S-25-17 over I-95 | Poor condition + traffic exposure | Poor | 750 | 1970 |
| S-25-20 over Unnamed -ditch- | Poor condition + traffic exposure | Poor | 375 | 1967 |
| S-25-51 over Mill Creek | Poor condition + traffic exposure | Poor | 325 | 1960 |
| S-25-17 over Camp Branch | Poor condition + traffic exposure | Poor | 275 | 1955 |
| US 601 over Coosawhatchie River | Scour-critical foundation rating | Fair | 3,100 | 1996 |
| Sc 63 over Whippy Swamp | Scour-critical foundation rating | Good | 2,800 | 2002 |
| Sc 63 over Salkehatchie River Swamp | Scour-critical foundation rating | Fair | 2,800 | 2002 |
| S-25-50 over Coosawhatchie River | Scour-critical foundation rating | Fair | 1,150 | 1974 |
| S-25-13 over Deep Branch | Scour-critical foundation rating | Fair | 375 | 1967 |
Important safety note
Poor condition does not mean a bridge is unsafe. It means at least one major component has significant deterioration and the bridge is a priority for maintenance, repair, or replacement. Bridges judged unsafe are closed or restricted by transportation agencies.