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NM-6 over RIO GRANDE

Map

Coordinates:
+34.80450, -106.71801
34°48'16" N, 106°43'05" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NM-6 over RIO GRANDE
Structure number:000000000007453
Location:1.1 MI E Jct NM-314/NM-6
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:55.1 ft. [16.8 m]
Total length:965.9 ft. [294.4 m]
Roadway width between curbs:72.2 ft. [22.0 m]
Deck width edge-to-edge:82.0 ft. [25.0 m]
Owner:State Highway Agency [01]
Year built:1974
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:17
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: October 2016

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:48,904 [as of 2016]
Truck traffic:11% of total traffic
Deck condition:Satisfactory [6 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:Superior to present desirable criteria [9]
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:57.9
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$5,412,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2016PoorSatisfactoryPoorPoor4890457.9
October 2014PoorSatisfactoryPoorPoor1970057.9
October 2012PoorSatisfactoryPoorPoor2731557.9
October 2010PoorSatisfactoryPoorFair2711957.9
October 2008FairFairFairFair2514472.9
October 2006FairFairFairFair2569473.0
October 2004FairFairFairFair2328573.0
October 2002FairFairFairFair2584273.0
October 2000FairFairFairFair2480073.0
September 1998FairSatisfactoryFairFair2505474.0
September 1996FairSatisfactoryFairFair2024174.0
October 1994FairSatisfactoryFairFair1446374.0
October 1992FairSatisfactoryFairFair1446374.0
February 1991FairSatisfactoryFairFair1208974.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.13,51013,34101690
Deck
Reinforced Concrete Decksq. ft.79,21279,212000
Wearing Surfacessq. ft.79,21279,212000
Substructure
Steel Columneach288002880
Steel Protective Coatingsq. ft.8,9528,952000
Reinforced Concrete Abutmentlinear ft.166810850
Reinforced Concrete Pier Caplinear ft.1,20079004100
Joints
Pourable Jointlinear ft.1,3011,301000
Bearings
Elastomeric Bearingeach476004760
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.1,9301,930000