I-20 EB over Sparrow Swamp

Fair Condition54 years old14,300 vehicles/day

Location

StateSouth Carolina
CountyDarlington
Location2.0mi N Of Lamar
CarriesI-20 EB
CrossesSparrow Swamp
Coordinates34.20290, -80.06076

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length240.2 ft (73.2 m)
Max Span29.9 ft (9.1 m)
Deck Width43.0 ft (13.1 m)
Deck Area958.9 sq m
Main Spans8
Year Built1972

Traffic

Avg Daily Traffic14,300 (2023)
Truck Traffic19%
Lanes On Bridge2

Inspection & Ownership

Last Inspection124
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000006074

Nearby Bridges