US 17 Alt over Calfpen Swamp

Fair Condition101 years old1,350 vehicles/day

Location

StateSouth Carolina
CountyColleton
LocationHendersonville
CarriesUS 17 Alt
CrossesCalfpen Swamp
Coordinates32.75515, -80.74125

Condition Ratings

Overall ConditionFair
Channel/Waterway6 (Satisfactory)
Culvert5 (Fair)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length23.0 ft (7 m)
Max Span9.8 ft (3 m)
Deck Width48.6 ft (14.8 m)
Deck Area103.6 sq m
Main Spans2
Year Built1925

Traffic

Avg Daily Traffic1,350 (2023)
Truck Traffic16%
Lanes On Bridge2

Inspection & Ownership

Last Inspection324
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number000000000000175

Nearby Bridges

S-166/combahee RD over Trib To Calfpen Creek 1.7 mi Fair S-66/combahee RD over Trib To Calfpen Creek 1.7 mi Good S-15-41/ritter RD over Calfpen Swamp 2.2 mi Fair S-15-41/ritter RD over Calfpen Swamp 2.3 mi Fair S-15-66 over I-95 3.3 mi Fair S-66/combahee RD over Unnamed Stream 3.8 mi Fair S-15-28 over I-95 3.8 mi Fair S-15-66 over Calfpen Swamp 3.9 mi Good US 17 Alt over Blue Horse Creek 4.4 mi Fair S-15-28 over Black Creek 4.7 mi Good