Lancaster County Bridge Report Card

Lancaster County scores 54 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F54 / 100

Local infrastructure snapshot

Lancaster County, South Carolina

Lancaster County has 182 bridges in the National Bridge Inventory, with 17 rated poor and 42 rated scour-critical. Its poor-condition share of 9.3% is above the 6.3% statewide average. Poor-condition bridges carry about 29,625 daily vehicle crossings.

182Total Bridges

17Poor (9.3%)

113Fair (62.1%)

42Scour-Critical

Quote-Ready Local Facts

9.3%of county bridges are in poor condition, compared with 6.3% statewide and 6.7% nationally.

29,625daily vehicle crossings are on poor-condition bridges in the county.

42bridges are rated scour-critical, or 23.1% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Lancaster County a Bridge Condition Exposure Score of 54/100 (F). The county has 182 bridges in the National Bridge Inventory, including 17 in poor condition and 42 rated scour-critical. Poor-condition bridges carry about 29,625 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	9.3%	18.7
Poor-condition traffic exposure	25	4.4% of measured traffic	3.3
Scour-critical bridge share	20	23.1%	20.0
Average age vs national baseline	10	58 years vs 48 nationally	4.1
Traffic-data completeness	5	678,075 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	9.3%
State Poor-Condition Share	6.3%
National Poor-Condition Share	6.7%
County Scour-Critical Share	23.1%
Average Bridge Age	58 years
Poor-Condition Traffic Exposure	29,625 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeUS 521 SB over Rr Csxt — 12,150 vehicles/day Oldest Listed BridgeSc 200 over Trib To Cane Ck — built in 1922 All County BridgesBrowse every bridge record in Lancaster County.

Top Bridges to Watch in Lancaster County

Bridge	Reason	Condition	Daily Traffic	Year Built
S-29-26 over Horton Creek	Poor condition + traffic exposure	Poor	1,450	1961
S-29-100 over Gills Creek	Poor condition + traffic exposure	Poor	1,150	1968
S-29-166 over Camp Creek	Poor condition + traffic exposure	Poor	1,100	1955
S-29-185 over Camp Creek	Poor condition + traffic exposure	Poor	1,050	1969
S-29-274 over Gills Creek	Poor condition + traffic exposure	Poor	850	1966
S-29-126 over Six Mile Creek	Poor condition + traffic exposure	Poor	550	1965
S-29-285 over Br Of Cane Creek	Poor condition + traffic exposure	Poor	375	1960
S-29-195 over Camp Creek	Poor condition + traffic exposure	Poor	200	1957
S-29-765 over Hanging Rock Creek	Poor condition + traffic exposure	Poor	200	1958
US 521 SB over Rr Csxt	Poor condition + traffic exposure	Poor	12,150	1929

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.