Bridge Type
Main Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Approach Span(s): Concrete [1] Tee beam [04]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 872.9 m = 2864.0 ft
Main Spans: 21 at 24.4 m = 80.1 ft
Approach Spans: 23
Skew: 99
Width, Roadway: 41 m = 134.5 ft (10 Lanes) and Out-To-Out: 42.2 m = 138.5 ft for a 41 m = 134.5 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 12.8 m = 42.0 ft
Location
Sausalito [70364]: Marin County [041], California [06]
Owned by State Highway Agency [01], DOT District: 4
04-MRN-101-4.03-SAUS
Condition
Deck: Fair [5]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 40.2 metric ton = 44.2 tons (Load Factor(LF) [1])
Inventory: 30.6 metric ton = 33.7 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Better than present minimum criteria [7]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: May 2020 [0520] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 2.7 km = 1.7 mi
Traffic
ADT: 133000 (2009) and Trucks: 2%
Future ADT: 174220 (In 2042
)
