SH 121 ML over DRAW


+39.61523, -105.09104
39°36'55" N, 105°05'28" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SH 121 ML over DRAW
Structure number:F-16-DL
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:9.8 ft. [3.0 m]
Total length:21.0 ft. [6.4 m]
Deck width edge-to-edge:196.9 ft. [60.0 m]
Owner:State Highway Agency [01]
Year built:1965
Year reconstructed:1973
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:2
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: October 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:49,000 [as of 2011]
Truck traffic:3% of total traffic
Structural 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:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
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:56.0

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
October 2018Fair5 out of 104900056.0
October 2016Fair6 out of 104900068.1
October 2014Fair6 out of 104900068.1
December 2012Fair6 out of 105020067.7
November 2010Fair6 out of 105020067.7
January 2009Fair6 out of 105020067.7
January 2007Fair6 out of 105210067.2
December 2004Fair6 out of 105308967.0
November 2002Fair6 out of 104923268.0
November 2000Fair6 out of 105160067.3
January 1999Fair6 out of 105160067.3
October 1996Fair6 out of 105080070.5
December 1994Fair6 out of 105080071.1
October 1992Fair6 out of 104860070.0
November 1990Fair6 out of 103300074.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Culvertlinear ft.39432742250
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.2020000
Steel Protective Coatingsq. ft.2020000