NM-400 over RIO PUERCO


+35.50806, -108.53987
35°30'29" N, 108°32'24" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NM-400 over RIO PUERCO
Structure number:000000000004186
Location:0.3 MI S OF JCT I-40
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:19.4 ft. [5.9 m]
Total length:115.2 ft. [35.1 m]
Roadway width between curbs:28.2 ft. [8.6 m]
Deck width edge-to-edge:30.2 ft. [9.2 m]
Owner:State Highway Agency [01]
Year built:1935
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:6
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: July 2017

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:1,283 [as of 2017]
Truck traffic:18% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:50.7
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$239,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2017FairFairFairSatisfactory128350.7
July 2015FairFairFairSatisfactory189248.0
August 2013FairFairFairSatisfactory189248.0
August 2011FairFairFairSatisfactory190547.9
August 2009FairFairFairSatisfactory131450.6
August 2007FairFairFairSatisfactory135449.0
January 2006FairSatisfactorySatisfactorySatisfactory175671.7
January 2004FairSatisfactorySatisfactorySatisfactory173671.8
January 2002FairSatisfactorySatisfactorySatisfactory173971.7
January 2000FairSatisfactorySatisfactorySatisfactory173971.7
January 1998FairSatisfactorySatisfactorySatisfactory116973.5
January 1996FairSatisfactorySatisfactorySatisfactory261167.8
February 1994FairFairSatisfactorySatisfactory226773.9
March 1992FairFairSatisfactorySatisfactory223574.0
May 1990FairSatisfactorySatisfactorySatisfactory133367.1

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Timber Girder/Beamlinear ft.1,8411,35548600
Timber Columneach46341200
Timber Abutmentlinear ft.9898000
Timber Pier Caplinear ft.2232002300
Timber Decksq. ft.3,47703,47700
Wearing Surfacessq. ft.3,4773,477000
Bridge Rail
Other Material Bridge Raillinear ft.230230000