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ALKALI RD over ALKALI CREEK 001

Map

Coordinates:
+48.31342, -107.98806
48°18'48" N, 107°59'17" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:ALKALI RD over ALKALI CREEK 001
Structure number:L36221004+01001
Location:7M SW MALTA
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:60.0 ft. [18.3 m]
Total length:76.4 ft. [23.3 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:1920
Year reconstructed:1982
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: March 2018

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:100 [as of 2001]
Deck condition:Good [7 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:32.4
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$95,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2018PoorGoodPoorPoor10032.4
March 2016PoorGoodPoorPoor10032.4
March 2014PoorGoodPoorPoor10032.4
March 2012PoorGoodPoorPoor10032.4
April 2010PoorGoodPoorPoor10032.4
April 2008FairGoodFairFair10047.8
April 2006PoorGoodFairPoor10032.4
December 2004PoorGoodFairPoor10032.4
December 2001PoorGoodFairPoor10032.4
January 2000PoorGoodFairPoor10032.4
March 1998PoorGoodFairPoor10032.4
February 1996PoorSatisfactoryFairPoor10032.4
July 1994PoorVery GoodFairPoor3133.0
February 1992PoorVery GoodFairPoor3138.4
January 1990PoorVery GoodFairPoor3136.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.115011500
Steel Protective Coatingsq. ft.316000316
Timber Girder/Beamlinear ft.1311112000
Steel Stringerlinear ft.420042000
Steel Protective Coatingsq. ft.1,1550001,155
Steel Trusslinear ft.121012100
Steel Protective Coatingsq. ft.363004359
Steel Floor Beamlinear ft.5605600
Steel Protective Coatingsq. ft.1200012
Steel Gusset Plateeach2202200
Steel Protective Coatingsq. ft.2200022
Substructure
Reinforced Concrete Pier Walllinear ft.3900390
Reinforced Concrete Abutmentlinear ft.3900390
Timber Abutmentlinear ft.39271200
Steel Abutmentlinear ft.3903900
Steel Protective Coatingsq. ft.117000117
Timber Pileeach60600
Timber Pier Caplinear ft.2016400
Deck
Timber Decksq. ft.1,2271,1319600
Wearing Surfacessq. ft.8428023370
Bearings
Movable Bearingeach20200
Steel Protective Coatingsq. ft.40004
Fixed Bearingeach20200
Steel Protective Coatingsq. ft.40004
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.121012100
Steel Protective Coatingsq. ft.162000162