Interstate 605 over Walnut Creek

Good Condition69 years old220,000 vehicles/day

Location

StateCalifornia
CountyLos Angeles
Location07-la-605-r19.85-bwp
CarriesInterstate 605
CrossesWalnut Creek
Coordinates34.06033, -118.00091

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length466.5 ft (142.2 m)
Max Span71.9 ft (21.9 m)
Deck Width170.6 ft (52 m)
Deck Area7394.4 sq m
Main Spans7
Year Built1957 (reconstructed 1995)

Traffic

Avg Daily Traffic220,000 (2022)
Truck Traffic12%
Lanes On Bridge12

Inspection & Ownership

Last Inspection424
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number53 1343

Nearby Bridges