Sc 555 NB over I-77 & Ramps On/off I-77

Good Condition50 years old14,950 vehicles/day

Location

StateSouth Carolina
CountyRichland
Location8.0 Mi NE Of Columbia
CarriesSc 555 NB
CrossesI-77 & Ramps On/off I-77
Coordinates34.10031, -80.95850

Condition Ratings

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

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length482.9 ft (147.2 m)
Max Span138.1 ft (42.1 m)
Deck Width42.7 ft (13 m)
Deck Area1913.6 sq m
Main Spans4
Year Built1976

Traffic

Avg Daily Traffic14,950 (2023)
Truck Traffic3%
Lanes On Bridge2
Lanes Under Bridge11

Inspection & Ownership

Last Inspection224
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000006919

Nearby Bridges