I-20 over Mill Branch

Fair Condition54 years old29,500 vehicles/day

Location

StateSouth Carolina
CountyLee
Location6mi SE Of Bishopville
CarriesI-20
CrossesMill Branch
Coordinates34.19194, -80.15442

Condition Ratings

Overall ConditionFair
Channel/Waterway8 (Very Good)
Culvert6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length36.1 ft (11 m)
Max Span8.9 ft (2.7 m)
Deck Width149.9 ft (45.7 m)
Deck Area502.7 sq m
Main Spans4
Year Built1972

Traffic

Avg Daily Traffic29,500 (2023)
Truck Traffic16%
Lanes On Bridge4

Inspection & Ownership

Last Inspection724
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000006142

Nearby Bridges

S-31-22 over I-20 0.7 mi Fair S-31-39 over I-20 0.8 mi Fair I-20 WB over Lynches River #2 1.6 mi Fair I-20 EB over Lynches River #2 1.6 mi Fair S-31-262 over Newman Swamp 1.9 mi Good I-20 WB over Lynches River 2.2 mi Fair I-20 EB over Lynches River 2.2 mi Fair I-20 WB over Newman Swamp 2.5 mi Fair I-20 EB over Newman Swamp 2.5 mi Fair S-16-32 over I-20 3.2 mi Fair