US 87 NB over Big Blue Creek


+35.78311, -101.95776
35°46'59" N, 101°57'28" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 87 NB over Big Blue Creek
Structure number:041710006605017
Location:6.7 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:273.0 ft. [83.2 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:9
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: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:Better than present minimum criteria [7]
Water adequacy appraisal:Superior to present desirable criteria [9]
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 assessed or calculated scour condition. [5]
Sufficiency rating:81.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017FairSatisfactoryFairFair532081.3
September 2015FairSatisfactoryFairFair532081.3
September 2013FairSatisfactoryFairFair425082.8
March 2012FairSatisfactoryFairFair500081.7
March 2010FairSatisfactoryFairSatisfactory470082.2
March 2008FairSatisfactoryFairSatisfactory420082.9
March 2006FairSatisfactorySatisfactorySatisfactory490091.8
March 2004FairGoodSatisfactorySatisfactory500090.7
April 2002FairSatisfactoryFairFair440069.5
May 2000FairSatisfactoryFairFair400069.1
June 1998FairGoodGoodSatisfactory395081.2
June 1996FairSatisfactoryGoodSatisfactory395081.2
June 1994FairGoodGoodSatisfactory370080.4
June 1992FairGoodGoodSatisfactory335089.7
April 1990FairGoodSatisfactorySatisfactory310090.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Girder/Beamlinear ft.4,0953,840801750
Reinforced Concrete Top Flangesq. ft.11,64611,09305530
Reinforced Concrete Abutmentlinear ft.86691700
Reinforced Concrete Pileeach48311700
Reinforced Concrete Pier Caplinear ft.344111200330
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.549549000