Bridge Type
Main Span(s): Steel [3] Truss - Deck [09]
Approach Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 1894.3 m = 6215.2 ft
Main Spans: 10 at 160.9 m = 527.9 ft
Approach Spans: 8
Skew: 0
Width, Roadway: 18.5 m = 60.7 ft (4 Lanes) and Out-To-Out: 23.6 m = 77.4 ft for a 27.4 m = 89.9 ft approaching roadway.
Vertical Clearance: 5.6 m = 18.4 ft and Navigational Clearance: 41.1 m = 134.8 ft
Location
Martinez [46114]: Contra Costa County [013], California [06]
Owned by State Highway Agency [01], DOT District: 4
04-CC-680-25.04L-MTZ
Condition
Deck: Good [7]
Superstructure: Fair [5]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 68 metric ton = 74.8 tons (Load Factor(LF) [1])
Inventory: 40.8 metric ton = 44.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: September 1999 [999] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 4.7 km = 2.9 mi
Traffic
ADT: 115000 (2015) and Trucks: 8%
Future ADT: 115000 (In 2036
)
