E4-port Chicago over W4-s242 & N242-e4 Conns
Good Condition48 years old4,800 vehicles/day
Location
| State | California |
| County | Contra Costa |
| Location | 04-cc-004-r14.61-cnd |
| Carries | E4-port Chicago |
| Crosses | W4-s242 & N242-e4 Conns |
| Coordinates | 38.00518, -122.03696 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 667.0 ft (203.3 m) |
| Max Span | 182.7 ft (55.7 m) |
| Deck Width | 27.6 ft (8.4 m) |
| Deck Area | 1707.7 sq m |
| Main Spans | 4 |
| Year Built | 1978 |
Traffic
| Avg Daily Traffic | 4,800 (2018) |
| Truck Traffic | 8% |
| Lanes On Bridge | 1 |
| Lanes Under Bridge | 6 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 28 0243S |