I-77 SB over Sc 48

Good Condition43 years old42,500 vehicles/day

Location

StateSouth Carolina
CountyRichland
Location4 Mi S Columbia
CarriesI-77 SB
CrossesSc 48
Coordinates33.95065, -80.99031

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length240.2 ft (73.2 m)
Max Span120.1 ft (36.6 m)
Deck Width67.3 ft (20.5 m)
Deck Area1500.6 sq m
Main Spans2
Year Built1983 (reconstructed 1987)

Traffic

Avg Daily Traffic42,500 (2023)
Truck Traffic16%
Lanes On Bridge4
Lanes Under Bridge6

Inspection & Ownership

Last Inspection124
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000007732

Nearby Bridges