State Route 4 EB over Port Chicago HWY

Fair Condition50 years old73,000 vehicles/day

Location

StateCalifornia
CountyContra Costa
Location04-cc-004-r15.42-cnd
CarriesState Route 4 EB
CrossesPort Chicago HWY
Coordinates38.00919, -122.02297

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length193.9 ft (59.1 m)
Max Span192.9 ft (58.8 m)
Deck Width125.7 ft (38.3 m)
Deck Area2263.5 sq m
Main Spans1
Year Built1976

Traffic

Avg Daily Traffic73,000 (2017)
Truck Traffic7%
Lanes On Bridge7
Lanes Under Bridge4

Inspection & Ownership

Last Inspection523
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number28 0244R

Nearby Bridges

State Route 4 WB over Port Chicago HWY 0.0 mi Fair State Route 4 EB over Bart Tracks 0.2 mi Good State Route 4 WB over Usn Rr & Kinne BLVD 0.6 mi Good State Route 4 EB over Usn Rr & Kinne BLVD 0.6 mi Good Port Chicago HWY over Mount Diablo Creek 0.7 mi Good State Route 4 WB over W4-s242 Connector Ramp 0.8 mi Fair State Route 4 EB over W4-s242 Connector Ramp 0.8 mi Fair E4-port Chicago over W4-s242 & N242-e4 Conns 0.8 mi Good N242-w4 Connector over State Routes 4 & 242 0.8 mi Poor State Route 4 over Ebmud Service Road 1.0 mi Fair