+37.56023, -104.72263
37°33'37" N, 104°43'21" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 25 ML over MAYNE ARROYO
Structure number:N-18-C
Location:5.5 MI S OF SH10-WLSNBRG.
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:12.1 ft. [3.7 m]
Total length:25.6 ft. [7.8 m]
Deck width edge-to-edge:283.2 ft. [86.3 m]
Skew angle:10°
Owner:State Highway Agency [01]
Year built:1965
Year reconstructed:1969
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:2
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: November 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:11,000 [as of 2011]
Truck traffic:22% of total traffic
Structural appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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:Deterioration or initial disintegration, minor chloride contamination, cracking with some leaching, or spalls on concrete or masonry walls and slabs. Local minor scouring at curtain walls, wingwalls or pipes. Metal culverts have a smooth curvature, non-symmetrical shape, significant corrosion or moderate pitting. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:82.4

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
November 2016Fair6 out of 101100082.4
November 2014Fair6 out of 101100082.4
November 2012Fair6 out of 10860082.5
November 2010Fair6 out of 10860082.5
October 2008Fair6 out of 10860082.5
November 2006Fair6 out of 101040082.4
December 2004Fair6 out of 10831982.5
October 2002Fair6 out of 10814482.5
November 2000Fair6 out of 10780082.1
November 1998Fair5 out of 10780070.9
October 1996Fair5 out of 10660071.1
October 1994Fair5 out of 10660071.3
December 1992Fair5 out of 10650071.3
November 1990Fair5 out of 10565068.4

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Reinforced Concrete Culvertlinear ft.574369301750