Buchanan RD over Contra Costa Canal

Good Condition88 years old5,500 vehicles/day

Location

StateCalifornia
CountyContra Costa
Location0.4 Mi W Somersville RD
CarriesBuchanan RD
CrossesContra Costa Canal
Coordinates37.99794, -121.85077

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length29.9 ft (9.1 m)
Max Span27.9 ft (8.5 m)
Deck Width67.9 ft (20.7 m)
Deck Area188.4 sq m
Main Spans1
Year Built1938 (reconstructed 1956)

Traffic

Avg Daily Traffic5,500 (2020)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last Inspection125
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number28C0286

Nearby Bridges

Somersville Road over Contra Costa Canal 0.3 mi Good State Route 4 EB over Century BLVD 0.8 mi Good State Route 4 WB over Century BLVD 0.8 mi Fair State Route 4 over Maintenance Access 0.8 mi Fair State Route 4 EB over Somersville Road 0.8 mi Good Gentrytown Drive over Contra Costa Canal 0.8 mi Good State Route 4 WB over Somersville Road 0.8 mi Good WB Route 4 Offramp over Somersville Road 0.8 mi Good Loveridge Road over Contra Costa Canal 1.3 mi Good Loveridge Road over State Route 4 1.3 mi Fair