Interstate 680 over Grayson Creek

Poor Condition64 years old169,000 vehicles/day

Location

StateCalifornia
CountyContra Costa
Location04-cc-680-20.89
CarriesInterstate 680
CrossesGrayson Creek
Coordinates37.99102, -122.06739

Condition Ratings

Overall ConditionPoor
Deck4 (Poor)
Superstructure5 (Fair)
Substructure7 (Good)
Channel/Waterway6 (Satisfactory)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length326.8 ft (99.6 m)
Max Span42.0 ft (12.8 m)
Deck Width169.9 ft (51.8 m)
Deck Area5159.3 sq m
Main Spans8
Year Built1962 (reconstructed 2005)

Traffic

Avg Daily Traffic169,000 (2018)
Truck Traffic3%
Lanes On Bridge10

Inspection & Ownership

Last Inspection125
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number28 0180

Nearby Bridges