US 78 over Saw Mill Creek

Fair Condition106 years old15,800 vehicles/day

Location

StateSouth Carolina
CountyDorchester
LocationAt Summerville
CarriesUS 78
CrossesSaw Mill Creek
Coordinates33.02244, -80.16323

Condition Ratings

Overall ConditionFair
Channel/Waterway6 (Satisfactory)
Culvert6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length23.0 ft (7 m)
Max Span9.8 ft (3 m)
Deck Width53.1 ft (16.2 m)
Deck Area113.4 sq m
Main Spans2
Year Built1920 (reconstructed 1962)

Traffic

Avg Daily Traffic15,800 (2023)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last Inspection424
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number000000000003858

Nearby Bridges

S-18-207 over Saw Mill Branch Canal 0.2 mi Fair Sc 165 over Rr Ns & S-10-65 0.6 mi Good S-18-65 over Saw Mill Branch 0.6 mi Fair S-18-195/s Gum ST over Julia Creek 1.0 mi Fair S-122/w 2nd S ST over Unnamed Stream 1.0 mi Good Sc 165 over Julia Creek 1.0 mi Fair S-18-208 over Julia Creek 1.0 mi Fair US 17 Alt over Unnamed Stream 1.1 mi Good S-224/gahagan RD over Sawmill Branch 1.1 mi Good I-26 over Saw Mill Branch 1.3 mi Fair