S-6-20 over Big Branch

Fair Condition51 years old550 vehicles/day

Location

StateSouth Carolina
CountyBarnwell
Location9mi SW Barnwell
CarriesS-6-20
CrossesBig Branch
Coordinates33.16105, -81.48759

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length44.9 ft (13.7 m)
Max Span15.1 ft (4.6 m)
Deck Width33.1 ft (10.1 m)
Deck Area138.4 sq m
Main Spans3
Year Built1975

Traffic

Avg Daily Traffic550 (2023)
Truck Traffic22%
Lanes On Bridge2

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000006616

Nearby Bridges

S-6-855 over Trib To Lower Three Runs 0.5 mi Fair S-6-20 over Three Runs Creek 1.1 mi Fair S-6-80 over Hayes Mill Creek 1.9 mi Fair S-6-80 over Gant Mill Creek 2.3 mi Fair S-6-121 over Trib To Lower Three Runs 2.3 mi Good S-3-65 over Three Runs Creek 2.6 mi Good S-3-65 over Trib To Three Runs Creek 2.7 mi Fair Sc 125 over Furse Mill Creek 4.9 mi Fair S-3-17 over Lower Three Runs 4.9 mi Fair