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NM-31 over UNNAMED WATERWAY

Map

Coordinates:
+32.39413, -103.97126
32°23'39" N, 103°58'17" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NM-31 over UNNAMED WATERWAY
Structure number:000000000007976
Location:11.9 MI NE JCT US-285
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:9.8 ft. [3.0 m]
Total length:32.2 ft. [9.8 m]
Owner:State Highway Agency [01]
Year built:1979
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:3
Main spans material:Concrete continuous [2]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: April 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,478 [as of 2017]
Truck traffic:66% of total traffic
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:Bank and embankment protection is severely undermined. River control devices have severe damage. Large deposits of debris are in the channel. [4]
Culvert condition:Moderate to major deterioration or disintegration, extensive cracking and leaching or spalls on concrete or masonry walls and slabs. Minor settlement or misalignment. Noticeable scouring or erosion at curtain walls, wingwalls or pipes. Metal culverts have significant distortion and deflection in one section, significant corrosion or deep pitting. [5]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:85.8

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
April 2018Fair5 out of 10147885.8
April 2016Fair5 out of 10131485.8
April 2014Fair5 out of 10131485.8
April 2012Fair5 out of 10136885.8
April 2010Fair5 out of 1097385.8
April 2008Fair5 out of 1081185.9
April 2006Fair5 out of 1086585.9
April 2002Good7 out of 10174496.8
February 1998Good7 out of 1076896.9
March 1996Good7 out of 1073896.9
May 1994Good7 out of 1067996.9
March 1992Good7 out of 1066996.9
March 1990Good7 out of 1065596.9

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Culvert
Reinforced Concrete Culvertlinear ft.1620221400