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BOULDER RD over SPECULATOR CREEK 011

Map

Coordinates:
+45.38849, -110.20184
45°23'19" N, 110°12'07" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:BOULDER RD over SPECULATOR CREEK 011
Structure number:L49102008+05001
Location:20M S MCLEOD
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:24.0 ft. [7.3 m]
Total length:26.9 ft. [8.2 m]
Roadway width between curbs:13.8 ft. [4.2 m]
Deck width edge-to-edge:15.1 ft. [4.6 m]
Skew angle:20°
Owner:County Highway Agency [02]
Year built:1965
Year reconstructed:1970
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Wood or timber [7]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Wood or Timber [8]
Wearing surface:Wood or Timber [7]

Latest Available Inspection: July 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:492 [as of 2017]
Truck traffic:1% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 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:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Meets minimum tolerable limits to be left in place as is [4]
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 the assessed or calculated scour condition. [8]
Sufficiency rating:54.6

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2018FairSatisfactoryFairFair49254.6
July 2016FairSatisfactoryFairFair6064.2
July 2014FairSatisfactoryFairFair10063.6
July 2012FairSatisfactoryFairFair10063.6
July 2010FairSatisfactoryFairFair10063.6
July 2008FairFairSatisfactoryFair10062.6
July 2006FairFairGoodFair10062.6
June 2004FairSatisfactoryGoodFair10063.6
April 2003FairSatisfactoryGoodFair10063.6
March 2001FairSatisfactoryGoodFair10064.6
October 1998FairSatisfactoryVery GoodFair10061.6
April 1997FairSatisfactoryVery GoodFair10061.6
May 1995FairSatisfactoryVery GoodFair25257.0
September 1992PoorSatisfactoryVery GoodPoor25245.5
January 1991PoorPoorVery GoodPoor25242.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Timber Girder/Beamlinear ft.1871552840
Substructure
Timber Columneach80440
Timber Abutmentlinear ft.62372500
Timber Pier Caplinear ft.3629700
Deck
Timber Decksq. ft.4093199000
Wearing Surfacessq. ft.108960012
Bridge Rail
Timber Bridge Raillinear ft.5204480