Interstate 5 over Dunsmuir AVE

Fair Condition66 years old18,000 vehicles/day

Location

StateCalifornia
CountySiskiyou
Location02-sis-005-2.51-dmr
CarriesInterstate 5
CrossesDunsmuir AVE
Coordinates41.21770, -122.27449

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure8 (Very Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length44.6 ft (13.6 m)
Max Span41.7 ft (12.7 m)
Deck Width84.3 ft (25.7 m)
Deck Area349.5 sq m
Main Spans1
Year Built1960

Traffic

Avg Daily Traffic18,000 (2024)
Truck Traffic28%
Lanes On Bridge4
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 0089

Nearby Bridges

Sacramento AVE over Sacramento River 0.1 mi Fair Dunsmuir Avenue over Sacramento Up Rr Amtrak 0.1 mi Fair Interstate 5 over Sacramento Up Rr Amtrak 0.1 mi Good Siskiyou AVE over Interstate 5 0.4 mi Fair Interstate 5 over Willow Street 0.4 mi Good Butterfly AVE over Sacramento River 0.7 mi Fair Interstate 5 over Oak Street 0.7 mi Good Scarlett Way over Sacramento River 0.9 mi Fair Bridge Street over Sacramento River 1.1 mi Fair Interstate 5 over Dunsmuir AVE 1.2 mi Good