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BOSTON ST over HIGHLINE CANAL

Map

Coordinates:
+39.66255, -104.87995
39°39'45" N, 104°52'48" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:BOSTON ST over HIGHLINE CANAL
Structure number:D-10-HC-290
Location:0.1 MI NORTH OF CORNELL
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Local (Urban) [19]
Length of largest span:32.2 ft. [9.8 m]
Total length:42.0 ft. [12.8 m]
Roadway width between curbs:24.9 ft. [7.6 m]
Deck width edge-to-edge:30.8 ft. [9.4 m]
Owner:City or Municipal Highway Agency [04]
Year built:1983
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: December 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:16 [as of 2013]
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Better than present minimum criteria [7]
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]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Countermeasures have been installed to mitigate an existing problem with scour. [7]
Sufficiency rating:75.6

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
December 2016FairGoodVery GoodSatisfactory1675.6
December 2014FairGoodVery GoodSatisfactory1675.6
December 2012FairGoodVery GoodSatisfactory1675.6
December 2010FairGoodVery GoodSatisfactory1075.7
September 2008FairGoodVery GoodSatisfactory1075.7
January 2007FairGoodVery GoodSatisfactory2075.6
September 2004FairGoodVery GoodFair2065.5
November 2002GoodGoodVery GoodVery Good2074.9
July 2000GoodGoodVery GoodVery Good1674.7
December 1999GoodGoodVery GoodVery Good1680.3
December 1998GoodGoodVery GoodVery Good1680.3
March 1996GoodGoodVery GoodGood1079.3
November 1994GoodGoodVery GoodGood1079.4

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.4123357700
Steel Protective Coatingsq. ft.412041200
Deck
Reinforced Concrete Decksq. ft.1,30201,30200
Substructure
Reinforced Concrete Abutmentlinear ft.6258400
Bridge Rail
Other Material Bridge Raillinear ft.8408400