US 87 SB over Big Blue Creek


+35.78309, -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 SB over Big Blue Creek
Structure number:041710006605026
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:213.9 ft. [65.2 m]
Roadway width between curbs:37.1 ft. [11.3 m]
Deck width edge-to-edge:40.0 ft. [12.2 m]
Owner:State Highway Agency [01]
Year built:1933
Year reconstructed:1948
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:M 13.5 / H 15 [2]
Number of main spans:7
Main spans material:Concrete [1]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

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:Equal to present minimum criteria [6]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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 the assessed or calculated scour condition. [8]
Sufficiency rating:73.4

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2017FairSatisfactoryFairFair532073.4
September 2015FairSatisfactorySatisfactorySatisfactory532086.4
September 2013FairSatisfactorySatisfactorySatisfactory425087.9
March 2012FairSatisfactorySatisfactorySatisfactory500086.9
March 2010FairSatisfactorySatisfactorySatisfactory470087.6
March 2008FairSatisfactorySatisfactorySatisfactory420088.3
March 2006FairSatisfactorySatisfactorySatisfactory490087.7
March 2004FairSatisfactorySatisfactorySatisfactory500087.3
June 2003FairGoodGoodSatisfactory475087.7
April 2002FairGoodGoodSatisfactory440089.1
May 2001FairGoodGoodSatisfactory440089.1
May 2000FairGoodGoodSatisfactory400089.6
June 1998GoodGoodGoodGood395088.7
June 1996GoodGoodGoodGood395088.7
June 1994GoodGoodGoodGood370067.3
June 1992GoodGoodGoodGood330068.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Girder/Beamlinear ft.1,7081,492155610
Reinforced Concrete Top Flangesq. ft.8,5408,5152320
Reinforced Concrete Abutmentlinear ft.8079100
Reinforced Concrete Pileeach48281280
Reinforced Concrete Pier Caplinear ft.228104111130
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.427427000