+36.91497, -103.62183
36°54'54" N, 103°37'19" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NM-456 over DRY CIMARRON
Structure number:000000000007944
Location:20.4 MI NE OF JCT NM-325
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:55.1 ft. [16.8 m]
Total length:162.1 ft. [49.4 m]
Roadway width between curbs:32.2 ft. [9.8 m]
Deck width edge-to-edge:35.1 ft. [10.7 m]
Owner:State Highway Agency [01]
Year built:1979
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:3
Main spans material:Prestressed concrete continuous [6]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: April 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:63 [as of 2017]
Truck traffic:19% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Equal to present desirable criteria [8]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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:98.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2018GoodGoodGoodGood6398.9
April 2016GoodGoodGoodGood6898.9
April 2014GoodGoodGoodGood6898.9
April 2012GoodGoodGoodGood3999.0
April 2010GoodGoodGoodGood7798.9
April 2008GoodGoodGoodGood7798.9
April 2006GoodGoodGoodGood8398.8
April 2004GoodGoodGoodGood8598.8
April 2002GoodGoodGoodGood6298.9
May 2000GoodGoodGoodGood6298.9
March 1998GoodGoodGoodGood8498.8
February 1996GoodGoodGoodGood7698.9
June 1994GoodGoodGoodGood4599.0
April 1992GoodGoodGoodGood3099.1
May 1990GoodVery GoodVery GoodVery Good7298.9

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.7,6747,674000
Reinforced Concrete Decksq. ft.5,6735,673000
Steel Columneach1212000
Steel Protective Coatingsq. ft.10,75310,753000
Reinforced Concrete Pier Walllinear ft.6969000
Reinforced Concrete Abutmentlinear ft.6969000
Reinforced Concrete Pier Caplinear ft.6969000
Compression Jointlinear ft.68340034
Movable Bearingeach3030000
Steel Protective Coatingsq. ft.10,75310,753000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.325032500
Steel Protective Coatingsq. ft.10,75310,753000