Interstate 5 NB over Siskiyou Way

Fair Condition53 years old7,150 vehicles/day

Location

StateCalifornia
CountySiskiyou
Location02-sis-005-r18.71-weed
CarriesInterstate 5 NB
CrossesSiskiyou Way
Coordinates41.41356, -122.38085

Condition Ratings

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

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length151.2 ft (46.1 m)
Max Span148.6 ft (45.3 m)
Deck Width42.0 ft (12.8 m)
Deck Area590.1 sq m
Main Spans1
Year Built1973

Traffic

Avg Daily Traffic7,150 (2024)
Truck Traffic26%
Lanes On Bridge2
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 0163R

Nearby Bridges