I-77 over Roberts Branch

Fair Condition46 years old72,700 vehicles/day

Location

StateSouth Carolina
CountyRichland
Location9.0 Mi North-columbia
CarriesI-77
CrossesRoberts Branch
Coordinates34.14056, -80.96500

Condition Ratings

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

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length21.0 ft (6.4 m)
Max Span9.8 ft (3 m)
Deck Width149.9 ft (45.7 m)
Deck Area292.5 sq m
Main Spans2
Year Built1980

Traffic

Avg Daily Traffic72,700 (2023)
Truck Traffic14%
Lanes On Bridge6

Inspection & Ownership

Last Inspection224
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000007404

Nearby Bridges

S-40-52 EB over I-77 0.4 mi Good S-40-52 WB over I-77 0.4 mi Good S-40-1437 over I-77 0.5 mi Fair Sc 555 over Roberts Branch 0.9 mi Good S-40-52 over Rr Ns 1.0 mi Good S-40-1695 over I-77 1.1 mi Fair I-77 over Crane Creek 1.1 mi Fair Sc 555 over Crane Creek 1.3 mi Fair S-40-83 over I-77 1.8 mi Fair S-40-1889 over Crane Creek 1.9 mi Fair