Clarendon County Bridge Report Card

Clarendon County scores 71 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

C71 / 100

Local infrastructure snapshot

Clarendon County, South Carolina

Clarendon County has 170 bridges in the National Bridge Inventory, with 7 rated poor and 18 rated scour-critical. Its poor-condition share of 4.1% is at or below the 6.3% statewide average. Poor-condition bridges carry about 2,850 daily vehicle crossings.

170Total Bridges

7Poor (4.1%)

132Fair (77.6%)

18Scour-Critical

Quote-Ready Local Facts

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

2,850daily vehicle crossings are on poor-condition bridges in the county.

18bridges are rated scour-critical, or 10.6% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Clarendon County a Bridge Condition Exposure Score of 71/100 (C). The county has 170 bridges in the National Bridge Inventory, including 7 in poor condition and 18 rated scour-critical. Poor-condition bridges carry about 2,850 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	0.4% of measured traffic	0.3
Scour-critical bridge share	20	10.6%	20.0
Average age vs national baseline	10	50 years vs 48 nationally	0.7
Traffic-data completeness	5	813,425 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	10.6%
Average Bridge Age	50 years
Poor-Condition Traffic Exposure	2,850 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeS-14-56 over Tawcaw Creek — 750 vehicles/day Oldest Listed BridgeUS 301 Con over Mill Creek — built in 1922 All County BridgesBrowse every bridge record in Clarendon County.

Top Bridges to Watch in Clarendon County

Bridge	Reason	Condition	Daily Traffic	Year Built
S-14-40 over Black River	Poor condition + traffic exposure	Poor	550	1971
S-14-56 over Tawcaw Creek	Poor condition + traffic exposure	Poor	750	1956
S-14-50 over Tearcoat Branch	Poor condition + traffic exposure	Poor	425	1974
S-14-307 over Broadway Branch	Poor condition + traffic exposure	Poor	350	1964
S-14-307 over Sammy Swamp	Poor condition + traffic exposure	Poor	350	1964
S-14-106 over Horse Branch	Poor condition + traffic exposure	Poor	275	1952
S-14-194 over Newman Branch	Poor condition + traffic exposure	Poor	150	1954
I-95 NB over Pocotaligo Swamp (no. 3)	Scour-critical foundation rating	Fair	18,100	1967
I-95 SB over Pocotaligo Swamp (no. 3)	Scour-critical foundation rating	Fair	18,100	1967
I-95 NB over Tearcoat Branch	Scour-critical foundation rating	Fair	16,300	1967

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.