U. S. Highway 101 over 2nd 3rd 4th 5th Mssn

Fair Condition85 years old64,500 vehicles/day

Location

StateCalifornia
CountyMarin
Location04-mrn-101-10.72-srf
CarriesU. S. Highway 101
Crosses2nd 3rd 4th 5th Mssn
Coordinates37.96876, -122.52061

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway9 (Excellent)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length2210.0 ft (673.6 m)
Max Span58.1 ft (17.7 m)
Deck Width53.8 ft (16.4 m)
Deck Area11047.0 sq m
Main Spans37
Year Built1941 (reconstructed 1971)

Traffic

Avg Daily Traffic64,500 (2009)
Lanes On Bridge3
Lanes Under Bridge14

Inspection & Ownership

Last Inspection524
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number27 0035R

Nearby Bridges

U.s. Highway 101 over 2nd 3rd 4th 5th Mssn 0.0 mi Fair 101n Offramp 2 ST over San Rafael Creek 0.1 mi Good Grand AVE over San Rafael Creek 0.1 mi Fair 2nd ST over Irwin Creek 0.1 mi Good W San Francisco Bl over San Rafael Creek 0.2 mi Fair Lincoln AVE over San Rafael Creek 0.2 mi Poor 3rd ST over Irwin Creek 0.2 mi Good 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 0.6 mi Good