State Route 4 WB over Walnut Creek

Fair Condition45 years old41,300 vehicles/day

Location

StateCalifornia
CountyContra Costa
Location04-cc-004-r13.40
CarriesState Route 4 WB
CrossesWalnut Creek
Coordinates37.99974, -122.05763

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length428.1 ft (130.5 m)
Max Span89.9 ft (27.4 m)
Deck Width70.5 ft (21.5 m)
Deck Area2805.8 sq m
Main Spans5
Year Built1981 (reconstructed 2021)

Traffic

Avg Daily Traffic41,300 (2019)
Truck Traffic7%
Lanes On Bridge4

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number28 0240L

Nearby Bridges

State Route 4 EB over Walnut Creek 0.0 mi Fair Imhoff Drive over Walnut Creek 0.2 mi Good State Route 4 EB over Solano Way 0.2 mi Good State Route 4 WB over Solano Way 0.2 mi Fair Imhoff Road over Grayson Creek 0.3 mi Fair State Route 4 over Grayson Creek 0.5 mi Good State Route 4 EB over Peralta Road 0.6 mi Good State Route 4 WB over Peralta Road 0.6 mi Good Imhoff Road over Central Sanitary RD 0.7 mi Fair State Route 4 over Interstate Route 680 0.8 mi Fair