Dunstone Drive over Wilson Creek

Good Condition56 years old3,000 vehicles/day

Location

StateCalifornia
CountyButte
LocationN Of La Porte RD
CarriesDunstone Drive
CrossesWilson Creek
Coordinates39.33599, -121.49140

Condition Ratings

Overall ConditionGood
Channel/Waterway8 (Very Good)
Culvert7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignCulvert
Total Length29.9 ft (9.1 m)
Max Span7.9 ft (2.4 m)
Deck Area61.0 sq m
Main Spans4
Year Built1970 (reconstructed 2015)

Traffic

Avg Daily Traffic3,000 (2019)
Truck Traffic20%
Lanes On Bridge2

Inspection & Ownership

Last Inspection723
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number12C0360

Nearby Bridges