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NM-370 over UNNAMED WATERWAY

Map

Coordinates:
+36.68865, -103.30699
36°41'19" N, 103°18'25" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NM-370 over UNNAMED WATERWAY
Structure number:000000000006217
Location:21.0 MI N OF JCT US-64/87
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:30.8 ft. [9.4 m]
Total length:64.0 ft. [19.5 m]
Roadway width between curbs:28.5 ft. [8.7 m]
Deck width edge-to-edge:29.9 ft. [9.1 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1960
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Number of main spans:2
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: February 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:98 [as of 2017]
Truck traffic:17% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Better than present minimum criteria [7]
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:95.4

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2018FairSatisfactorySatisfactorySatisfactory9895.4
February 2016GoodGoodGoodGood4895.4
February 2014GoodGoodGoodGood4895.4
February 2012GoodGoodGoodGood5195.4
February 2010GoodGoodGoodGood15595.3
February 2008GoodGoodGoodGood15995.3
February 2006GoodGoodGoodGood6695.4
February 2004GoodGoodGoodGood6895.4
February 2002GoodGoodGoodGood8395.4
May 2000GoodGoodGoodGood8395.4
March 1998FairSatisfactorySatisfactoryGood4395.4
February 1996FairSatisfactorySatisfactoryGood4094.9
March 1994FairSatisfactorySatisfactoryGood3595.9
February 1992FairSatisfactorySatisfactoryGood6696.8

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Timber Girder/Beamlinear ft.1,2471,247000
Substructure
Timber Columneach2626000
Timber Abutmentlinear ft.141141000
Timber Pier Caplinear ft.115115000
Deck
Timber Decksq. ft.1,9051,905000
Wearing Surfacessq. ft.1,9051,905000
Bridge Rail
Other Material Bridge Raillinear ft.128128000