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POWERLINE RD over DRAINAGE 025

Map

Coordinates:
+47.63814, -111.17603
47°38'17" N, 111°10'34" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:POWERLINE RD over DRAINAGE 025
Structure number:L07063002+05001
Location:9M N GREAT FALLS
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:19.0 ft. [5.8 m]
Total length:134.8 ft. [41.1 m]
Roadway width between curbs:19.0 ft. [5.8 m]
Deck width edge-to-edge:20.0 ft. [6.1 m]
Owner:County Highway Agency [02]
Year built:1931
Year reconstructed:1963
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:7
Main spans material:Wood or timber [7]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Wood or Timber [8]
Wearing surface:Bituminous [6]

Latest Available Inspection: November 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:100 [as of 2002]
Deck condition:Satisfactory [6 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 minimum criteria [6]
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]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:90.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2017FairSatisfactoryGoodSatisfactory10090.9
November 2015FairSatisfactoryGoodSatisfactory10091.9
December 2013FairSatisfactoryGoodSatisfactory10091.9
January 2012FairSatisfactoryGoodSatisfactory10091.9
January 2010FairSatisfactoryGoodSatisfactory10091.9
January 2008FairSatisfactoryGoodSatisfactory10091.9
January 2006FairSatisfactoryGoodSatisfactory10091.9
March 2004FairGoodGoodSatisfactory10091.9
March 2002FairGoodGoodSatisfactory10091.9
January 2000FairSatisfactoryGoodSatisfactory10091.9
February 1998GoodGoodVery GoodGood10091.9
September 1995FairGoodVery GoodSatisfactory3190.0
February 1993GoodGoodVery GoodGood3190.0
January 1991GoodGoodVery GoodGood3190.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Timber Girder/Beamlinear ft.1,6211,5319000
Substructure
Timber Columneach3682170
Reinforced Concrete Pier Walllinear ft.39271200
Masonry Abutmentlinear ft.3936120
Timber Pier Caplinear ft.15713314100
Deck
Timber Decksq. ft.2,7021,89380900
Wearing Surfacessq. ft.2,7021,89081200
Bridge Rail
Timber Bridge Raillinear ft.2692254040