Interstate 5 SB over Siskiyou Way

Fair Condition53 years old7,150 vehicles/day

Location

StateCalifornia
CountySiskiyou
Location02-sis-005-r18.71-weed
CarriesInterstate 5 SB
CrossesSiskiyou Way
Coordinates41.41364, -122.38124

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length145.7 ft (44.4 m)
Max Span143.0 ft (43.6 m)
Deck Width54.1 ft (16.5 m)
Deck Area732.6 sq m
Main Spans1
Year Built1973

Traffic

Avg Daily Traffic7,150 (2024)
Truck Traffic26%
Lanes On Bridge3
Lanes Under Bridge2

Inspection & Ownership

Last Inspection724
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number02 0163L

Nearby Bridges