+44.81833, -87.35667
44°49'06" N, 87°21'24" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:STH 42 - STH 57 over STURGEON BAY
Structure number:B15000400030000
Location:1.9M N JCT CTH S
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:228.4 ft. [69.6 m]
Total length:228.4 ft. [69.6 m]
Roadway width between curbs:34.1 ft. [10.4 m]
Deck width edge-to-edge:45.9 ft. [14.0 m]
Vertical clearance below bridge:45.9 ft. [14.0 m]
Owner:State Highway Agency [01]
Year built:1978
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Movable - Bascule [16]
Deck type:Open Grating [3]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: April 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:11,200 [as of 2018]
Truck traffic:3% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Pier/abutment protection:None present but re-evaluation suggested [5]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:81.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2018FairFairGoodSatisfactory1120081.0
April 2017FairVery GoodSatisfactorySatisfactory1120082.1
March 2016FairFairSatisfactorySatisfactory1140081.0
April 2015FairFairGoodSatisfactory1090081.1
March 2014FairFairSatisfactoryGood1250080.8
July 2013FairFairFairGood1250067.3
March 2012PoorSatisfactoryPoorGood1250051.3
April 2011PoorSatisfactoryPoorGood1250053.3
June 2010PoorGoodPoorGood1250053.3
April 2009PoorGoodPoorGood1250053.3
April 2008FairVery GoodFairGood1250070.3
April 2007FairVery GoodSatisfactoryGood1220081.9
April 2006GoodVery GoodGoodGood1195081.9
April 2005GoodVery GoodGoodGood1195081.9
July 2004GoodVery GoodGoodVery Good1195081.9
April 2003FairSatisfactoryGoodVery Good1195085.6
July 2002FairSatisfactoryGoodVery Good1195085.6
April 2001FairSatisfactoryGoodVery Good379088.0
April 2000GoodVery GoodGoodVery Good379088.0
April 1998GoodVery GoodGoodVery Good379086.0
April 1997GoodVery GoodGoodVery Good379086.0
August 1996GoodVery GoodGoodVery Good379086.0
July 1995GoodVery GoodGoodVery Good379086.1
April 1994GoodVery GoodGoodVery Good379086.1
April 1993GoodVery GoodVery GoodVery Good379086.1
February 1992GoodVery GoodVery GoodVery Good379086.1

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.45633680400
Steel Protective Coatingsq. ft.38,60034,6003,0001,0000
Steel Stringerlinear ft.4,1014,04050110
Reinforced Concrete Decksq. ft.2,7442,744000
Wearing Surfacessq. ft.2,7442,7040400
Steel Floor Beamlinear ft.76169060110
Reinforced Concrete Pier Walllinear ft.88483640
Open Grid Decksq. ft.6,9216,921000
Steel Protective Coatingsq. ft.6,8086,808000
Concrete Filled Grid Decksq. ft.850850000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.257257000
Reinforced Concrete Bridge Raillinear ft.2292092000