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NM-12 over LARGO CANYON

Map

Coordinates:
+33.74282, -108.72695
33°44'34" N, 108°43'37" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NM-12 over LARGO CANYON
Structure number:000000000005949
Location:10.02 MI NE OF JCT US-180
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:60.0 ft. [18.3 m]
Total length:158.1 ft. [48.2 m]
Roadway width between curbs:26.2 ft. [8.0 m]
Deck width edge-to-edge:30.8 ft. [9.4 m]
Skew angle:15°
Owner:State Highway Agency [01]
Year built:1957
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:MS 13.5 / HS 15 [3]
Number of main spans:3
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: June 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:696 [as of 2016]
Truck traffic:14% 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:Equal to present minimum criteria [6]
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 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:72.9
Recommended work:Bridge deck replacement with only incidental widening. [37]
Estimated cost of work:$400,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2016GoodGoodGoodGood69672.9
June 2014FairFairSatisfactorySatisfactory48173.7
June 2012FairFairSatisfactorySatisfactory50173.5
June 2010PoorPoorSatisfactorySatisfactory54071.0
April 2008PoorSeriousSatisfactorySatisfactory54068.9
April 2006PoorSeriousSatisfactorySatisfactory50969.2
March 2004PoorPoorGoodSatisfactory51971.2
March 2002FairFairGoodSatisfactory64182.5
March 2000FairFairGoodSatisfactory63982.5
March 1998FairFairGoodSatisfactory63582.5
March 1996FairFairGoodSatisfactory39582.7
March 1994FairFairGoodSatisfactory34581.7
March 1992FairFairGoodSatisfactory66881.2

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.90957833100
Steel Protective Coatingsq. ft.4,7404,6900500
Deck
Reinforced Concrete Decksq. ft.4,8664,62324300
Wearing Surfacessq. ft.4,86604,86600
Substructure
Reinforced Concrete Pier Walllinear ft.9292000
Reinforced Concrete Abutmentlinear ft.6259300
Joints
Compression Jointlinear ft.6006000
Bearings
Movable Bearingeach84400
Steel Protective Coatingsq. ft.10,75310,753000
Fixed Bearingeach88000
Steel Protective Coatingsq. ft.10,75310,753000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.453045300
Steel Protective Coatingsq. ft.10,75310,753000