3rd ST over Irwin Creek

Good Condition58 years old20,000 vehicles/day

Location

StateCalifornia
CountyMarin
LocationAt Hetherton ST
Carries3rd ST
CrossesIrwin Creek
Coordinates37.97129, -122.52209

Condition Ratings

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

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length23.0 ft (7 m)
Max Span11.2 ft (3.4 m)
Deck Width71.9 ft (21.9 m)
Deck Area153.3 sq m
Main Spans2
Year Built1968

Traffic

Avg Daily Traffic20,000 (1978)
Truck Traffic10%
Lanes On Bridge4

Inspection & Ownership

Last Inspection723
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number27C0097

Nearby Bridges

2nd ST over Irwin Creek 0.1 mi Good W San Francisco Bl over San Rafael Creek 0.1 mi Fair 101n Offramp 2 ST over San Rafael Creek 0.1 mi Good U.s. Highway 101 over 2nd 3rd 4th 5th Mssn 0.2 mi Fair U. S. Highway 101 over 2nd 3rd 4th 5th Mssn 0.2 mi Fair Lincoln AVE over San Rafael Creek 0.2 mi Poor Grand AVE over San Rafael Creek 0.2 mi Fair Andersen Drive over Mahon Creek 0.3 mi Fair Lindaro ST over Mahon Creek 0.3 mi Good U.s. Highway 101 over Irwin Creek 0.4 mi Good