Anderson County Bridge Report Card

Anderson County scores 66 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

D66 / 100

Local infrastructure snapshot

Anderson County, South Carolina

Anderson County has 462 bridges in the National Bridge Inventory, with 19 rated poor and 79 rated scour-critical. Its poor-condition share of 4.1% is at or below the 6.3% statewide average. Poor-condition bridges carry about 73,075 daily vehicle crossings.

462Total Bridges

19Poor (4.1%)

314Fair (68.0%)

79Scour-Critical

Quote-Ready Local Facts

4.1%of county bridges are in poor condition, compared with 6.3% statewide and 6.7% nationally.

73,075daily vehicle crossings are on poor-condition bridges in the county.

79bridges are rated scour-critical, or 17.1% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Anderson County a Bridge Condition Exposure Score of 66/100 (D). The county has 462 bridges in the National Bridge Inventory, including 19 in poor condition and 79 rated scour-critical. Poor-condition bridges carry about 73,075 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	4.1%	8.2
Poor-condition traffic exposure	25	3.9% of measured traffic	2.9
Scour-critical bridge share	20	17.1%	20.0
Average age vs national baseline	10	54 years vs 48 nationally	2.5
Traffic-data completeness	5	1,860,675 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	4.1%
State Poor-Condition Share	6.3%
National Poor-Condition Share	6.7%
County Scour-Critical Share	17.1%
Average Bridge Age	54 years
Poor-Condition Traffic Exposure	73,075 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeI-85 Sbl over Seneca River — 24,850 vehicles/day Oldest Listed BridgeS-4-933 over Three & Twenty Creek — built in 1920 All County BridgesBrowse every bridge record in Anderson County.

Top Bridges to Watch in Anderson County

Bridge	Reason	Condition	Daily Traffic	Year Built
Sc 412 over Trib Big Generostee Cr.	Poor condition + traffic exposure	Poor	275	1955
I-85 Sbl over Seneca River	Poor condition + traffic exposure	Poor	24,850	1963
Sc 81 over Saluda River & S-4-143	Poor condition + traffic exposure	Poor	13,500	1969
US 76 over Norfolk Southern Rr	Poor condition + traffic exposure	Poor	7,900	1929
US 76 EB over Broadway Creek	Poor condition + traffic exposure	Poor	7,000	1920
C-4-3634 over C & N W Railroad	Poor condition + traffic exposure	Poor	6,300	1929
S-4-141 over Blue Ridge Rr	Poor condition + traffic exposure	Poor	5,800	1938
US 29 over Savannah Riv/co RD In Ga	Poor condition + traffic exposure	Poor	4,800	1956
Sc 413 over Rocky River	Poor condition + traffic exposure	Poor	1,100	1953
S-4-97 over Six & Twenty Creek	Poor condition + traffic exposure	Poor	450	1979

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.