Beaufort County Bridge Report Card

Beaufort County scores 76 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

C76 / 100
Local infrastructure snapshot

Beaufort County, South Carolina

Beaufort County has 72 bridges in the National Bridge Inventory, with 4 rated poor and 3 rated scour-critical. Its poor-condition share of 5.6% is at or below the 6.3% statewide average. Poor-condition bridges carry about 56,550 daily vehicle crossings.

72Total Bridges
4Poor (5.6%)
40Fair (55.6%)
3Scour-Critical

Quote-Ready Local Facts

5.6%of county bridges are in poor condition, compared with 6.3% statewide and 6.7% nationally.
56,550daily vehicle crossings are on poor-condition bridges in the county.
3bridges are rated scour-critical, or 4.2% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Beaufort County a Bridge Condition Exposure Score of 76/100 (C). The county has 72 bridges in the National Bridge Inventory, including 4 in poor condition and 3 rated scour-critical. Poor-condition bridges carry about 56,550 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 share405.6%11.1
Poor-condition traffic exposure256.4% of measured traffic4.8
Scour-critical bridge share204.2%8.3
Average age vs national baseline1037 years vs 48 nationally0.0
Traffic-data completeness5883,774 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 Share5.6%
State Poor-Condition Share6.3%
National Poor-Condition Share6.7%
County Scour-Critical Share4.2%
Average Bridge Age37 years
Poor-Condition Traffic Exposure56,550 vehicles/day

Bridges to Watch

Top Bridges to Watch in Beaufort County

BridgeReasonConditionDaily TrafficYear Built
US 278 EB over Mackay CreekPoor condition + traffic exposurePoor28,9501956
US 21 SB over Beaufort RiverPoor condition + traffic exposurePoor14,4001979
US 17 NB over Huspa CreekPoor condition + traffic exposurePoor6,6001993
US 17 SB over Huspa CreekPoor condition + traffic exposurePoor6,6001993
Sc 802 over Lucy Point CreekScour-critical foundation ratingFair4,6001965
S-7-59 over Field CreekScour-critical foundation ratingFair4251997
S-406 Tarpon BLVD over Fripp InletScour-critical foundation ratingFair2001963
US 278 EB over Okatie RiverHigh trafficFair33,9501991
US 278 EB over Sc 170High trafficGood33,9501991
US 278 WB over Okatie RiverHigh trafficFair33,9501991

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.