Jasper County Bridge Report Card
Jasper County scores 84 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Jasper County, South Carolina
Jasper County has 129 bridges in the National Bridge Inventory, with 2 rated poor and 6 rated scour-critical. Its poor-condition share of 1.6% is at or below the 6.3% statewide average. Poor-condition bridges carry about 2,900 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Jasper County a Bridge Condition Exposure Score of 84/100 (B). The county has 129 bridges in the National Bridge Inventory, including 2 in poor condition and 6 rated scour-critical. Poor-condition bridges carry about 2,900 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 | 1.6% | 3.1 |
| Poor-condition traffic exposure | 25 | 0.3% of measured traffic | 0.2 |
| Scour-critical bridge share | 20 | 4.7% | 9.3 |
| Average age vs national baseline | 10 | 56 years vs 48 nationally | 3.2 |
| Traffic-data completeness | 5 | 1,081,475 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 | 1.6% |
| State Poor-Condition Share | 6.3% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 4.7% |
| Average Bridge Age | 56 years |
| Poor-Condition Traffic Exposure | 2,900 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Jasper County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| US 278/grays HWY over Bay Swamp | Poor condition + traffic exposure | Poor | 2,700 | 1932 |
| S-39/log Hall RD over Little Bees Creek | Poor condition + traffic exposure | Poor | 200 | 1966 |
| I-95 Nbl over Savannah River | Scour-critical foundation rating | Fair | 32,050 | 1976 |
| I-95 Sbl over Savannah River | Scour-critical foundation rating | Fair | 32,050 | 1976 |
| I-95 NB over Great Swamp | Scour-critical foundation rating | Fair | 29,700 | 1966 |
| I-95 SB over Great Swamp | Scour-critical foundation rating | Fair | 29,700 | 1966 |
| Sc 119/clyo RD over Savannah River | Scour-critical foundation rating | Fair | 1,400 | 1959 |
| S-27-87 over Coosawhatchie River | Scour-critical foundation rating | Good | 500 | 1975 |
| I-95 NB over S.c. 46 | High traffic | Fair | 33,200 | 1968 |
| I-95 SB over S.c. 46 | High traffic | Fair | 33,200 | 1968 |
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.