Bridge Type
Main Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 2286.6 m = 7502.3 ft
Main Spans: 8 at 36 m = 118.1 ft
Approach Spans: 247
Skew: 25
Width, Roadway: 23.2 m = 76.1 ft (6 Lanes) and Out-To-Out: 24.4 m = 80.1 ft for a 31.1 m = 102.0 ft approaching roadway.
Vertical Clearance: 4.52 m = 14.8 ft and Navigational Clearance: 0 = N/A
Location
San Francisco [67000]: San Francisco County [075], California [06]
Owned by State Highway Agency [01], DOT District: 4
04-SF-101-4.12-SF
Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 45.4 metric ton = 49.9 tons (Load Factor(LF) [1])
Inventory: 25.6 metric ton = 28.2 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Equal to present minimum criteria [6]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: May 1999 [599] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 256700 (2019) and Trucks: 4%
Future ADT: 375401 (In 2041
)
