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BIRCH RD over ROSS FORK CREEK 018

Map

Coordinates:
+46.93957, -109.78439
46°56'22" N, 109°47'04" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:BIRCH RD over ROSS FORK CREEK 018
Structure number:L23027001+04001
Location:2M NW SIPPLE
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:69.9 ft. [21.3 m]
Total length:70.9 ft. [21.6 m]
Roadway width between curbs:15.1 ft. [4.6 m]
Deck width edge-to-edge:16.1 ft. [4.9 m]
Owner:County Highway Agency [02]
Year built:1925
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Main span material:Steel [3]
Main span design:Truss - Thru [10]
Deck type:Wood or Timber [8]
Wearing surface:Wood or Timber [7]

Latest Available Inspection: February 2017

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:100 [as of 2003]
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Basically intolerable requiring high priority of replacement [2]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:29.5
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$188,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2017PoorSatisfactoryPoorFair10029.5
February 2015PoorSatisfactoryPoorFair10029.5
February 2013PoorGoodPoorFair10029.5
February 2011FairGoodFairFair10035.6
March 2009FairGoodSatisfactoryFair10035.6
April 2007FairGoodSatisfactorySatisfactory10045.7
March 2005FairGoodGoodFair10035.6
May 2003FairGoodGoodFair10035.6
March 2003FairVery GoodSatisfactoryFair10035.6
June 2001FairFairSatisfactoryFair10034.6
June 1999FairSatisfactorySatisfactoryFair10035.6
February 1997FairGoodSatisfactoryFair10035.6
February 1995FairGoodSatisfactoryFair3135.7
February 1993FairVery GoodSatisfactoryFair3146.9
January 1991FairVery GoodSatisfactoryFair3146.9

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Timber Stringerlinear ft.640028833319
Steel Trusslinear ft.1410211137
Steel Protective Coatingsq. ft.1,7580001,758
Steel Floor Beamlinear ft.6665370
Steel Protective Coatingsq. ft.2640026238
Steel Gusset Plateeach1801800
Substructure
Reinforced Concrete Abutmentlinear ft.5200520
Deck
Timber Decksq. ft.1,141970571140
Bearings
Fixed Bearingeach40310
Steel Protective Coatingsq. ft.40004
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.1411132800
Steel Protective Coatingsq. ft.214000214