Greenville County Bridge Report Card
Greenville County scores 59 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Greenville County, South Carolina
Greenville County has 636 bridges in the National Bridge Inventory, with 47 rated poor and 78 rated scour-critical. Its poor-condition share of 7.4% is above the 6.3% statewide average. Poor-condition bridges carry about 505,550 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Greenville County a Bridge Condition Exposure Score of 59/100 (F). The county has 636 bridges in the National Bridge Inventory, including 47 in poor condition and 78 rated scour-critical. Poor-condition bridges carry about 505,550 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 | 7.4% | 14.8 |
| Poor-condition traffic exposure | 25 | 8.7% of measured traffic | 6.5 |
| Scour-critical bridge share | 20 | 12.3% | 20.0 |
| Average age vs national baseline | 10 | 44 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 5,835,525 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 | 7.4% |
| State Poor-Condition Share | 6.3% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 12.3% |
| Average Bridge Age | 44 years |
| Poor-Condition Traffic Exposure | 505,550 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Greenville County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| S-23-316 over Grove Creek | Poor condition + traffic exposure | Poor | 1,950 | 1963 |
| S-23-562 over Enoree River | Poor condition + traffic exposure | Poor | 1,450 | 1965 |
| S-23-671 over Baker Creek | Poor condition + traffic exposure | Poor | 1,450 | 1967 |
| S-23-102 over Armstrong Creek | Poor condition + traffic exposure | Poor | 1,300 | 1960 |
| S-23-507 over Langston Creek | Poor condition + traffic exposure | Poor | 1,000 | 1964 |
| S-23-97 over Middle Saluda River | Poor condition + traffic exposure | Poor | 700 | 1961 |
| S-23-40 over South Saluda Riv | Poor condition + traffic exposure | Poor | 650 | 1957 |
| S-23-40 over Saluda Overflow | Poor condition + traffic exposure | Poor | 650 | 1957 |
| S-23-565 over Trib To Reedy River | Poor condition + traffic exposure | Poor | 600 | 1966 |
| S-23-116 over Trib To Green Ck | Poor condition + traffic exposure | Poor | 275 | 1987 |
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.