139th Street over Pero Creek


+45.37705, -100.17266
45°22'37" N, 100°10'22" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:139th Street over Pero Creek
Structure number:000000065145150
Location:3N & 2.5W of Akaska
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:9.8 ft. [3.0 m]
Total length:21.0 ft. [6.4 m]
Owner:County Highway Agency [02]
Year built:1956
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 continuous [2]
Main spans design:Culvert [19]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: August 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:166 [as of 2016]
Truck traffic:3% 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 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: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:89.7

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
August 2018Good7 out of 1016689.7
August 2016Good7 out of 1016690.3
July 2014Good7 out of 1016690.3
September 2012Good7 out of 1016689.7
August 2010Good7 out of 1016689.7
September 2008Good7 out of 1016689.7
August 2006Good7 out of 1016689.7
October 2004Good7 out of 1016689.7
August 2002Good7 out of 1016689.7
May 2000Good7 out of 1016689.7
June 1998Good8 out of 1016689.7
June 1996Good7 out of 1016687.7
April 1994Good7 out of 1016689.4
August 1992Good7 out of 1016689.4
May 1990Good8 out of 1016688.4