S-16-355 over I-20

Fair Condition52 years old100 vehicles/day

Location

StateSouth Carolina
CountyDarlington
Location4mi NE Lamar
CarriesS-16-355
CrossesI-20
Coordinates34.20583, -79.99953

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length253.9 ft (77.4 m)
Max Span89.9 ft (27.4 m)
Deck Width37.4 ft (11.4 m)
Deck Area882.4 sq m
Main Spans4
Year Built1974

Traffic

Avg Daily Traffic100 (2023)
Truck Traffic5%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last Inspection125
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000006469

Nearby Bridges

I-20 EB over Lake Swamp 0.2 mi Fair I-20 WB over Lake Swamp 0.2 mi Fair US 401 over Lake Swamp 1.1 mi Good I-20 over Jacks Branch 1.2 mi Fair US 401 over I-20 1.5 mi Fair S-16-990 over Lake Swamp 1.6 mi Fair S-16-44 over I-20 1.7 mi Fair S-16-44 over Middle Branch 2.1 mi Fair Sc 403 over I-20 2.4 mi Fair S-16-152 over Lake Swamp 2.5 mi Fair