State Route 4 over Grayson Creek

Good Condition5 years old82,600 vehicles/day

Location

StateCalifornia
CountyContra Costa
Location04-cc-004-12.89
CarriesState Route 4
CrossesGrayson Creek
Coordinates37.99558, -122.06611

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length265.1 ft (80.8 m)
Max Span94.2 ft (28.7 m)
Deck Width167.3 ft (51 m)
Deck Area4120.8 sq m
Main Spans3
Year Built2021

Traffic

Avg Daily Traffic82,600 (2019)
Truck Traffic7%
Lanes On Bridge8

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number28 0415

Nearby Bridges

State Route 4 over Interstate Route 680 0.2 mi Fair Interstate 680 over Grayson Creek 0.3 mi Poor Imhoff Road over Central Sanitary RD 0.4 mi Fair EB 4-sb 680 Conn over Grayson Creek 0.4 mi Poor SB 680-wb 4 Conn over Blum Road 0.5 mi Good Imhoff Road over Grayson Creek 0.5 mi Fair Interstate 680 over Blum Road 0.5 mi Poor State Route 4 over Pacheco BLVD 0.5 mi Fair State Route 4 EB over Walnut Creek 0.5 mi Fair State Route 4 WB over Walnut Creek 0.5 mi Fair