+45.89326, -97.62562
45°53'36" N, 97°37'32" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SD027 over MARBLE GULCH
Structure number:000000046170029
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:9.8 ft. [3.0 m]
Total length:30.8 ft. [9.4 m]
Owner:State Highway Agency [01]
Year built:1960
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Number of main spans:3
Main spans material:Concrete continuous [2]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: June 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:472 [as of 2017]
Truck traffic:30% 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:78.0
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$12,000

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
June 2018Fair5 out of 1047278.0
June 2016Fair5 out of 1049077.9
June 2014Fair6 out of 1045589.4
June 2012Fair6 out of 1048396.8
June 2010Good7 out of 1050596.7
June 2008Good7 out of 1046596.9
June 2006Good7 out of 1041597.0
June 2004Good7 out of 1045596.9
July 2002Good7 out of 1047096.8
July 2000Fair6 out of 1054594.5
August 1998Fair6 out of 1061094.3
September 1994Fair6 out of 1050094.7
December 1992Fair6 out of 1052094.7
March 1990Fair6 out of 1032595.4