Calhoun County Bridge Report Card

Calhoun County scores 85 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

B85 / 100
Local infrastructure snapshot

Calhoun County, South Carolina

Calhoun County has 61 bridges in the National Bridge Inventory, with 2 rated poor and 0 rated scour-critical. Its poor-condition share of 3.3% is at or below the 6.3% statewide average. Poor-condition bridges carry about 4,100 daily vehicle crossings.

61Total Bridges
2Poor (3.3%)
53Fair (86.9%)
0Scour-Critical

Quote-Ready Local Facts

3.3%of county bridges are in poor condition, compared with 6.3% statewide and 6.7% nationally.
4,100daily vehicle crossings are on poor-condition bridges in the county.
0bridges are rated scour-critical, or 0.0% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Calhoun County a Bridge Condition Exposure Score of 85/100 (B). The county has 61 bridges in the National Bridge Inventory, including 2 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 4,100 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.

Download all county report-card scores as CSV.

How the Score Breaks Down

FactorWeightCounty ValuePenalty
Poor-condition bridge share403.3%6.6
Poor-condition traffic exposure251.3% of measured traffic0.9
Scour-critical bridge share200.0%0.0
Average age vs national baseline1067 years vs 48 nationally7.6
Traffic-data completeness5325,375 measured daily crossings0.0

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 Share3.3%
State Poor-Condition Share6.3%
National Poor-Condition Share6.7%
County Scour-Critical Share0.0%
Average Bridge Age67 years
Poor-Condition Traffic Exposure4,100 vehicles/day

Bridges to Watch

Top Bridges to Watch in Calhoun County

BridgeReasonConditionDaily TrafficYear Built
S-9-22 over Caw Caw CreekPoor condition + traffic exposurePoor3,3001935
S-9-24 over Bates Mill CreekPoor condition + traffic exposurePoor8001930
I-26 over Savany Hunt CreekHigh trafficFair64,6001960
I-26 over Sandy Run CreekHigh trafficFair62,0001960
I-26 over Murph Mill CreekHigh trafficFair61,2001960
I-26 over Burke CreekHigh trafficFair58,8001960
US 601 over Antley Spring CreekHigh trafficGood5,7001930
US 21 over Murph Mill CreekHigh trafficFair5,0001940
US 21 over Savany Hunt CreekHigh trafficFair4,9001965
Sc 6 over Sou.r/r-in St.matthews-High trafficFair4,6001953

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.