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U.S. HIGHWAY 101 over COLMA CREEK

Map

Coordinates:
+37.64869, -122.40634
37°38'55" N, 122°24'23" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:U.S. HIGHWAY 101 over COLMA CREEK
Structure number:35 0118
Location:04-SM-101-21.61-SSF
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:29.9 ft. [9.1 m]
Total length:120.1 ft. [36.6 m]
Roadway width between curbs:144.0 ft. [43.9 m]
Deck width edge-to-edge:148.0 ft. [45.1 m]
Skew angle:15°
Owner:State Highway Agency [01]
Year built:1947
Year reconstructed:1975
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:5
Main spans material:Concrete continuous [2]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: April 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:188,000 [as of 2009]
Truck traffic:4% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:82.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2017GoodGoodGoodGood18800082.0
April 2015GoodVery GoodVery GoodVery Good18800082.0
April 2013FairSatisfactorySatisfactorySatisfactory18800082.0
April 2011FairSatisfactoryGoodGood24800085.0
October 2009FairSatisfactoryGoodGood24800085.0
May 2007FairSatisfactoryGoodGood24800085.0
August 2006FairSatisfactoryGoodGood24800085.0
October 2003FairSatisfactoryGoodGood24800085.0
October 2001GoodGoodGoodGood24150085.0
September 1997GoodGoodGoodGood24150085.0
August 1995GoodGoodGoodGood17510085.0
July 1993GoodGoodGoodGood18860085.0
December 1989GoodGoodGoodGood18860085.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Substructure
Reinforced Concrete Columneach108104040
Reinforced Concrete Abutmentlinear ft.106106000
Reinforced Concrete Pileeach11000
Reinforced Concrete Pier Caplinear ft.135135000
Joints
Pourable Jointlinear ft.45170280
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.3737000
Other Material Bridge Raillinear ft.7407400
Deck
Reinforced Concrete Slabsq. ft.1,6511,6340170
Concrete Protective Coatingsq. ft.1,6071,607000