S-21-112 over I-20

Fair Condition59 years old8,300 vehicles/day

Location

StateSouth Carolina
CountyFlorence
Location2mi W Florence
CarriesS-21-112
CrossesI-20
Coordinates34.19649, -79.84949

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length450.1 ft (137.2 m)
Max Span82.0 ft (25 m)
Deck Width37.7 ft (11.5 m)
Deck Area1577.8 sq m
Main Spans6
Year Built1967

Traffic

Avg Daily Traffic8,300 (2023)
Truck Traffic3%
Lanes On Bridge2
Lanes Under Bridge9

Inspection & Ownership

Last Inspection323
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000005056

Nearby Bridges