US 87 NB over North Big Blue Creek


+35.78693, -101.95820
35°47'13" N, 101°57'30" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 87 NB over North Big Blue Creek
Structure number:041710006605029
Location:7.0 Mi N of SH 354
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:29.9 ft. [9.1 m]
Total length:121.1 ft. [36.9 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:42.7 ft. [13.0 m]
Owner:State Highway Agency [01]
Year built:1957
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:M 18 / H 20 [4]
Number of main spans:4
Main spans material:Concrete [1]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:5,320 [as of 2013]
Truck traffic:3% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Better than present minimum criteria [7]
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:93.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017FairSatisfactorySatisfactorySatisfactory532093.3
September 2015FairSatisfactorySatisfactorySatisfactory532093.3
September 2013FairSatisfactorySatisfactorySatisfactory425094.6
March 2012FairSatisfactorySatisfactorySatisfactory500093.7
March 2010FairSatisfactorySatisfactorySatisfactory470094.1
March 2008FairSatisfactorySatisfactorySatisfactory420094.7
March 2006FairSatisfactorySatisfactorySatisfactory490090.8
March 2004FairSatisfactorySatisfactorySatisfactory500090.7
April 2002FairSatisfactorySatisfactorySatisfactory440081.5
May 2000FairSatisfactorySatisfactorySatisfactory400081.1
June 1998FairGoodGoodSatisfactory395081.2
June 1996FairSatisfactoryGoodGood395081.2
June 1994FairSatisfactoryGoodGood370080.4
June 1992FairSatisfactoryGoodGood330088.7

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Girder/Beamlinear ft.1,8201,74030500
Reinforced Concrete Top Flangesq. ft.5,1805,01701630
Reinforced Concrete Abutmentlinear ft.86741200
Reinforced Concrete Pileeach189900
Reinforced Concrete Pier Caplinear ft.129468300
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.244244000