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NM-456 over CIMARRON RIVER

Map

Coordinates:
+36.97091, -103.26741
36°58'15" N, 103°16'03" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NM-456 over CIMARRON RIVER
Structure number:000000000001104
Location:12.3 MI E OF JCT NM-370
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:29.9 ft. [9.1 m]
Total length:122.1 ft. [37.2 m]
Roadway width between curbs:23.3 ft. [7.1 m]
Deck width edge-to-edge:24.3 ft. [7.4 m]
Skew angle:15°
Owner:State Highway Agency [01]
Year built:1965
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Number of main spans:4
Main spans material:Wood or timber [7]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Wood or Timber [8]
Wearing surface:Bituminous [6]

Latest Available Inspection: October 2017

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:32 [as of 2017]
Truck traffic:16% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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 with "unknown" foundation that has not been evaluated for scour. [U]
Sufficiency rating:53.9
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$620,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2017PoorFairPoorPoor3253.9
October 2016PoorFairPoorPoor3553.8
October 2015PoorFairPoorPoor3153.9
October 2014PoorFairPoorPoor3153.9
October 2013PoorFairPoorPoor3253.9
October 2012PoorFairPoorPoor3253.9
April 2011PoorFairPoorPoor3253.9
October 2009PoorFairPoorPoor1654.0
April 2008PoorFairPoorPoor1654.0
October 2006PoorFairPoorPoor1654.0
January 2005PoorFairPoorPoor1654.0
October 2003PoorFairPoorPoor1654.0
April 2002PoorFairPoorPoor1654.0
February 2001PoorFairPoorPoor1654.0
February 1999PoorFairPoorPoor8053.4
July 1997PoorFairPoorPoor7753.5
February 1996PoorFairPoorPoor7252.6
October 1994PoorFairPoorPoor6752.7
April 1993PoorFairPoorPoor6750.7
June 1992PoorFairFairPoor4050.9
April 1991FairFairFairFair3968.6

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Timber Girder/Beamlinear ft.1,58401,4641200
Substructure
Timber Columneach26016100
Timber Abutmentlinear ft.121616000
Timber Pier Caplinear ft.125684980
Deck
Timber Decksq. ft.2,98202,98200
Wearing Surfacessq. ft.2,9822,982000
Bridge Rail
Other Material Bridge Raillinear ft.242024200