SD020 over SQUAW CK


+45.54531, -103.30075
45°32'43" N, 103°18'03" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SD020 over SQUAW CK
Structure number:000000032369280
Location:12.0 E JCT US 85
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:9.8 ft. [3.0 m]
Total length:31.2 ft. [9.5 m]
Owner:State Highway Agency [01]
Year built:1994
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
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:Good
Status:Open, no restriction [A]
Average daily traffic:173 [as of 2017]
Truck traffic:27% of total traffic
Structural appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Superior to present desirable criteria [9]
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:Shrinkage cracks, light scaling and insignificant spalling which does not expose reinforcing steel. Insignificant damage caused by drift with no misalignment and not requiring corrective action. Some minor scouring has occured near curtain walls, wingwalls or pipes. Metal culverts have a smooth symmetrical curvature with superficial corrosion and no pitting. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:97.6

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
June 2018Good7 out of 1017397.6
June 2014Good8 out of 1017097.6
June 2010Good8 out of 1018097.5
June 2006Good8 out of 1017297.6
October 2002Good8 out of 1017497.6
October 1998Good8 out of 1016397.6
October 1996Good8 out of 1020397.4
August 1995Good8 out of 1018997.5
October 1993PoorN out of 1011572.6
February 1992FairN out of 1018380.5