US-70/380 WBL over Blackwater Draw


+33.38211, -104.73807
33°22'56" N, 104°44'17" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US-70/380 WBL over Blackwater Draw
Structure number:000000000008395
Location:12.7 M W Jct US-70/US-380
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:80.1 ft. [24.4 m]
Total length:213.9 ft. [65.2 m]
Roadway width between curbs:42.7 ft. [13.0 m]
Deck width edge-to-edge:44.9 ft. [13.7 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1983
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:3
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: November 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:3,797 [as of 2018]
Truck traffic:17% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 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:Superior to present desirable criteria [9]
Water adequacy appraisal:Equal to present minimum criteria [6]
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 the assessed or calculated scour condition. [8]
Sufficiency rating:86.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2018FairFairSatisfactoryFair379786.0
November 2016PoorPoorFairFair361584.0
November 2014FairFairFairFair192486.0
November 2012FairFairFairFair352686.0
November 2010FairFairFairFair193186.0
October 2008FairFairFairFair390686.0
December 2006FairFairFairFair197886.0
August 2004PoorPoorSatisfactoryFair244584.0
October 2002PoorPoorSatisfactoryFair193083.8
August 2000FairFairSatisfactorySatisfactory188596.8
July 1998FairSatisfactoryGoodGood178697.8
July 1996FairSatisfactoryGoodGood146297.9
August 1994FairSatisfactoryGoodGood142697.9
May 1992FairSatisfactoryGoodGood179498.0
June 1990FairSatisfactoryGoodGood178598.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.1,29001,29000
Steel Protective Coatingsq. ft.10,000010,00000
Reinforced Concrete Decksq. ft.9,63003,5136,1170
Wearing Surfacessq. ft.9,63009,63000
Steel Columneach1601600
Steel Protective Coatingsq. ft.10,240010,24000
Reinforced Concrete Abutmentlinear ft.104010400
Reinforced Concrete Pier Caplinear ft.104010400
Compression Jointlinear ft.4204200
Elastomeric Bearingeach2402400
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.474047400