Skyway over Magalia Reservoir Spilwy

Poor Condition51 years old13,516 vehicles/day

Location

StateCalifornia
CountyButte
LocationAt Magalia
CarriesSkyway
CrossesMagalia Reservoir Spilwy
Coordinates39.81558, -121.58181

Condition Ratings

Overall ConditionPoor
Deck4 (Poor)
Superstructure6 (Satisfactory)
Substructure8 (Very Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length160.1 ft (48.8 m)
Max Span79.4 ft (24.2 m)
Deck Width33.8 ft (10.3 m)
Deck Area502.6 sq m
Main Spans2
Year Built1975

Traffic

Avg Daily Traffic13,516 (2020)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last Inspection724
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number12C0395

Nearby Bridges