McCormick County Bridge Report Card

McCormick County scores 68 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

D68 / 100

Local infrastructure snapshot

McCormick County, South Carolina

McCormick County has 68 bridges in the National Bridge Inventory, with 3 rated poor and 10 rated scour-critical. Its poor-condition share of 4.4% is at or below the 6.3% statewide average. Poor-condition bridges carry about 450 daily vehicle crossings.

68Total Bridges

3Poor (4.4%)

38Fair (55.9%)

10Scour-Critical

Quote-Ready Local Facts

4.4%of county bridges are in poor condition, compared with 6.3% statewide and 6.7% nationally.

450daily vehicle crossings are on poor-condition bridges in the county.

10bridges are rated scour-critical, or 14.7% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives McCormick County a Bridge Condition Exposure Score of 68/100 (D). The county has 68 bridges in the National Bridge Inventory, including 3 in poor condition and 10 rated scour-critical. Poor-condition bridges carry about 450 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

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	14.7%	20.0
Average age vs national baseline	10	54 years vs 48 nationally	2.5
Traffic-data completeness	5	48,200 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	14.7%
Average Bridge Age	54 years
Poor-Condition Traffic Exposure	450 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeSc 823 over Lott Creek — 275 vehicles/day Oldest Listed BridgeSc 28 over Savannah River — built in 1929 All County BridgesBrowse every bridge record in McCormick County.

Top Bridges to Watch in McCormick County

Bridge	Reason	Condition	Daily Traffic	Year Built
Sc 823 over Lott Creek	Poor condition + traffic exposure	Poor	275	1958
S-33-117 over Long Cane Creek	Poor condition + traffic exposure	Poor	150	1932
S-33-38 over Bold Branch	Poor condition + traffic exposure	Poor	25	1963
S-33-467 over Bakers Creek	Scour-critical foundation rating	Fair	600	1968
S-33-171 over Hard Labor Creek	Scour-critical foundation rating	Fair	300	1975
S-33-43 over Little Buffalo Ck	Scour-critical foundation rating	Good	275	1980
S-33-160 over Baker Creek	Scour-critical foundation rating	Good	150	1975
S-33-65 over Rocky Creek	Scour-critical foundation rating	Good	125	1965
S-33-118 over Byrd Creek	Scour-critical foundation rating	Fair	125	1979
S-33-114 over Byrd Creek	Scour-critical foundation rating	Fair	75	1957

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.