Grant Line Road over Delta-mendota Canal

Poor Condition78 years old5,100 vehicles/day

Location

StateCalifornia
CountyAlameda
Location1.8 Mi NE Of I 580
CarriesGrant Line Road
CrossesDelta-mendota Canal
Coordinates37.75557, -121.56323

Condition Ratings

Overall ConditionPoor
Deck4 (Poor)
Superstructure7 (Good)
Substructure5 (Fair)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length123.0 ft (37.5 m)
Max Span45.6 ft (13.9 m)
Deck Width36.1 ft (11 m)
Deck Area412.5 sq m
Main Spans3
Year Built1948

Traffic

Avg Daily Traffic5,100 (2014)
Truck Traffic25%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number33C0053

Nearby Bridges

Grant Line RD over California Aqueduct 0.8 mi Poor Interstate 205 over California Aqueduct 0.9 mi Fair Interstate 580 WB over Interstate 205 0.9 mi Good Interstate 205 over Aqueduct Service RD 0.9 mi Good Interstate 580 WB over Interstate 205 EB 0.9 mi Fair Interstate 205 over Delta-mendota Canal 1.0 mi Fair Interstate 580 WB over Midway Road 1.0 mi Good Interstate 580 over Midway Road 1.0 mi Good Interstate 580 WB over Grant Line Road 1.6 mi Good Route 580 EB over Grant Line Road 1.6 mi Good