State Route 1 over Trancas Creek

Poor Condition99 years old17,100 vehicles/day

Location

StateCalifornia
CountyLos Angeles
Location07-la-001-56.71
CarriesState Route 1
CrossesTrancas Creek
Coordinates34.02988, -118.84172

Condition Ratings

Overall ConditionPoor
Deck7 (Good)
Superstructure7 (Good)
Substructure2 (Critical)
Channel/Waterway7 (Good)
Scour Critical2 — Bridge closed (monitoring)

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length97.1 ft (29.6 m)
Max Span32.8 ft (10 m)
Deck Width84.0 ft (25.6 m)
Deck Area757.8 sq m
Main Spans3
Year Built1927 (reconstructed 1938)

Traffic

Avg Daily Traffic17,100 (2017)
Truck Traffic3%
Lanes On Bridge4

Inspection & Ownership

Last Inspection823
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number53 0027

Nearby Bridges