S-20-30 over I-77

Fair Condition49 years old1,300 vehicles/day

Location

StateSouth Carolina
CountyFairfield
Location8.5 Mi SE Winnsboro
CarriesS-20-30
CrossesI-77
Coordinates34.28253, -80.99739

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure5 (Fair)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length293.0 ft (89.3 m)
Max Span107.0 ft (32.6 m)
Deck Width37.4 ft (11.4 m)
Deck Area1018.0 sq m
Main Spans4
Year Built1977

Traffic

Avg Daily Traffic1,300 (2023)
Truck Traffic7%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last Inspection423
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000006973

Nearby Bridges

Ramp Off I-77 NB over Trib Of Big Cedar Creek 0.1 mi Good I-77 Bridge Ramp over Unnamed 0.3 mi Good S-53 over Dutchmans Creek 0.4 mi Good S-20-30 over Branch Of Cedar Creek 0.8 mi Fair S-20-74 over Cedar Creek 0.8 mi Good I-77 over Big Cedar Creek 0.8 mi Fair S-20-233 over Big Cedar Creek 0.8 mi Good S-20-227 over Cedar Creek 0.9 mi Fair I-77 SB over Sc 34 1.8 mi Good I-77 NB over Sc 34 1.8 mi Good