420th Avenue over Creek


+45.52602, -97.81650
45°31'34" N, 97°48'59" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:420th Avenue over Creek
Structure number:000000019080043
Location:1E & 1.7N of Pierpont
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:11.2 ft. [3.4 m]
Total length:26.2 ft. [8.0 m]
Skew angle:30°
Owner:County Highway Agency [02]
Year built:2009
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:2
Main spans material:Concrete continuous [2]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: May 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:25 [as of 2014]
Truck traffic:2% of total traffic
Structural appraisal:Equal to present desirable criteria [8]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Superior to present desirable criteria [9]
Channel protection:There are no noticeable or noteworthy deficiencies which affect the condition of the channel. [9]
Pier/abutment protection:Navigation protection not required [1]
Culvert condition:No noticeable or noteworthy deficiencies which affect the condition of the culvert. Insignificant scrape marks caused by drift. [8]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:100.0

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
May 2016Good8 out of 1025100.0
June 2014Good8 out of 1025100.0
July 2012Good8 out of 1025100.0
June 2010Good8 out of 1025100.0
October 2009Good9 out of 1025100.0
July 2008PoorN out of 102533.0
August 2006PoorN out of 102533.0
June 2004PoorN out of 102533.0
June 2002PoorN out of 102535.0
June 2000PoorN out of 102535.0
July 1998PoorN out of 102536.0
July 1996PoorN out of 102542.2
June 1994PoorN out of 102533.0
June 1992PoorN out of 102533.0
June 1990FairN out of 102552.3