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COMERTOWN RD over DRAINAGE 053

Map

Coordinates:
+48.82011, -104.25347
48°49'12" N, 104°15'12" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:COMERTOWN RD over DRAINAGE 053
Structure number:L46102000+07001
Location:10M W WESTBY
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:28.9 ft. [8.8 m]
Total length:29.9 ft. [9.1 m]
Roadway width between curbs:23.3 ft. [7.1 m]
Deck width edge-to-edge:24.0 ft. [7.3 m]
Owner:County Highway Agency [02]
Year built:1989
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Prestressed concrete [5]
Main span design:Channel beam [22]
Deck type:Not applicable [N]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: December 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:100 [as of 2002]
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:79.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
December 2017FairGoodGoodFair10079.9
December 2015FairGoodGoodFair10081.9
December 2013FairGoodGoodFair10081.9
January 2012FairGoodGoodFair10081.9
January 2010FairGoodGoodFair10081.9
December 2007FairSatisfactoryGoodGood10092.9
December 2005FairSatisfactoryGoodGood10092.9
December 2004FairSatisfactoryGoodGood10092.9
March 2002FairSatisfactoryGoodGood10092.9
December 1999FairSatisfactoryGoodGood10092.9
January 1998FairSatisfactoryGoodGood10092.9
January 1996FairSatisfactoryVery GoodGood10090.9
November 1993GoodGoodVery GoodGood9690.9
February 1992GoodVery GoodVery GoodGood9690.9
January 1990GoodVery GoodExcellentGood9690.9

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.180178200
Deck
Reinforced Concrete Top Flangesq. ft.721721000
Substructure
Reinforced Concrete Abutmentlinear ft.10895850
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.5953600
Steel Protective Coatingsq. ft.1481331500