S 16 over ATOR CREEK


+48.73630, -104.48059
48°44'11" N, 104°28'50" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:S 16 over ATOR CREEK
Structure number:P00022046+03361
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:8.9 ft. [2.7 m]
Total length:24.6 ft. [7.5 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1984
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:Steel [3]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: December 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,550 [as of 2015]
Truck traffic:10% 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:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
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:69.0

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
December 2016Fair5 out of 10155069.0
December 2014Fair5 out of 10126070.5
January 2013Fair5 out of 10126070.5
December 2010Fair5 out of 10126070.5
December 2008Fair5 out of 10135069.5
October 2006Good7 out of 10170080.0
February 2005Good7 out of 10131082.8
December 2002Good7 out of 10157080.0
November 2000Good7 out of 10157080.0
March 1999Good7 out of 10126081.2
December 1996Good7 out of 10122183.6
February 1995Good7 out of 10122183.9
March 1993Good7 out of 10101485.5
January 1991Good7 out of 10129783.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Culvertlinear ft.262025750
Steel Protective Coatingsq. ft.7,4043,8501,11102,443