Sierra HWY over Los Angeles Aqueduct

Good Condition88 years old5,500 vehicles/day

Location

StateCalifornia
CountyLos Angeles
Location07-la-014u-t27.37
CarriesSierra HWY
CrossesLos Angeles Aqueduct
Coordinates34.37246, -118.49984

Condition Ratings

Overall ConditionGood
Channel/Waterway9 (Excellent)
Culvert7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length46.9 ft (14.3 m)
Max Span42.0 ft (12.8 m)
Deck Width35.1 ft (10.7 m)
Deck Area153.0 sq m
Main Spans1
Year Built1938

Traffic

Avg Daily Traffic5,500 (2021)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last Inspection225
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number53 0363M

Nearby Bridges