US Highway 101 over Corona Ditch

Good Condition72 years old94,000 vehicles/day

Location

StateCalifornia
CountySonoma
Location04-son-101-6.85-pet
CarriesUS Highway 101
CrossesCorona Ditch
Coordinates38.26407, -122.65924

Condition Ratings

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

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length22.0 ft (6.7 m)
Max Span9.8 ft (3 m)
Deck Area210.4 sq m
Main Spans2
Year Built1954

Traffic

Avg Daily Traffic94,000 (2016)
Truck Traffic6%
Lanes On Bridge4

Inspection & Ownership

Last Inspection424
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number20 0177

Nearby Bridges

Corona RD over U.s. Highway 101 0.1 mi Fair Corona RD over Petaluma River 0.2 mi Good Petaluma BLVD N over Petaluma River 0.7 mi Fair Petaluma BLVD N over Petaluma River 0.7 mi Good Old Redwood HWY N over US Highway 101 0.8 mi Fair U.s. Route 101 NB over Smart Railroad Tracks 1.1 mi Good Rainsville Road over Willow Brk (petaluma Rv) 1.1 mi Fair U.s. Route 101 SB over Smart Railroad Tracks 1.1 mi Fair N Mcdowell BLVD over Willow Brook Creek 1.1 mi Fair Old Redwood HWY over Willow Brook Creek 1.2 mi Poor