I-77 NB over Sc 12

Good Condition31 years old47,200 vehicles/day

Location

StateSouth Carolina
CountyRichland
Location2 Mi SE Of Dentsville
CarriesI-77 NB
CrossesSc 12
Coordinates34.05201, -80.92305

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure8 (Very Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length283.1 ft (86.3 m)
Max Span149.0 ft (45.4 m)
Deck Width66.9 ft (20.4 m)
Deck Area1760.5 sq m
Main Spans2
Year Built1995

Traffic

Avg Daily Traffic47,200 (2023)
Truck Traffic16%
Lanes On Bridge3
Lanes Under Bridge5

Inspection & Ownership

Last Inspection124
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000008912

Nearby Bridges

I-77 SB over Sc 12 0.0 mi Good I-77 & Ramp On/off over Unnamed_stream 0.2 mi Good S-40-2150 over I-77 0.8 mi Good S-40-1201 over I-77 0.8 mi Fair Boyden Arbor Rd. over Gills Creek 0.9 mi Good I-77 SB over I-20 & Ramp Off I-20 1.1 mi Good Ramp Off I-77 NB over I-77 1.1 mi Good I-77 Nbl over I-20 & I-20 Ramp 1.1 mi Good Ramp Off I-77 SB over I-20/RAMP Off I-20 EB 1.1 mi Good I-77 SB over Ramp On I-77 SB 1.2 mi Good