Bridge Type
Main Span(s): Steel [3] Movable - Bascule [16]
Approach Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Epoxy Overlay [5]
Bridge Dimensions
Length: 120.4 m = 395.0 ft
Main Spans: 1 at 39 m = 128.0 ft
Approach Spans: 4
Skew: 3
Width, Roadway: 15.8 m = 51.8 ft (4 Lanes) and Out-To-Out: 19.6 m = 64.3 ft for a 15.8 m = 51.8 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 6.4 m = 21.0 ft
Location
Unknown [00000]: Alameda County [001], California [06]
Owned by County Highway Agency [02], DOT District: 4
0.3 MI S/W OF I-880
Condition
Deck: Fair [5]
Superstructure: Good [7]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 50.9 metric ton = 56.0 tons (Load Factor(LF) [1])
Inventory: 30.5 metric ton = 33.6 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 minimum criteria [6]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: April 1999 [499] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 20800 (2014) and Trucks: 10%
Future ADT: 23281 (In 2041
)