420th Avenue over Crow Creek


+45.73886, -97.81329
45°44'20" N, 97°48'48" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:420th Avenue over Crow Creek
Structure number:000000046080136
Location:3.6S 3.0W of Britton
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:59.1 ft. [18.0 m]
Total length:60.0 ft. [18.3 m]
Roadway width between curbs:30.2 ft. [9.2 m]
Deck width edge-to-edge:30.8 ft. [9.4 m]
Owner:County Highway Agency [02]
Year built:1981
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Prestressed concrete [5]
Main span design:Tee beam [04]
Deck type:Concrete Precast Panels [2]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: June 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:57 [as of 2015]
Truck traffic:3% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:99.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2017GoodGoodGoodGood5799.0
July 2015GoodGoodGoodGood5792.3
September 2013GoodGoodVery GoodGood5789.8
September 2011GoodGoodVery GoodGood5789.8
August 2009GoodGoodVery GoodGood5789.8
July 2007GoodGoodVery GoodGood5789.8
August 2005GoodGoodVery GoodGood5789.8
July 2003GoodGoodVery GoodGood5790.8
September 2001GoodGoodVery GoodGood5790.8
August 1999GoodGoodVery GoodGood5790.8
October 1997GoodVery GoodVery GoodVery Good5789.8
August 1995GoodVery GoodVery GoodVery Good5789.5
July 1993GoodVery GoodVery GoodVery Good5789.5
August 1991GoodVery GoodVery GoodVery Good5789.5