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550TH AVE over KEIGLEY BRANCH

Map

Coordinates:
+42.13680, -93.60101
42°08'12" N, 93°36'04" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:550TH AVE over KEIGLEY BRANCH
Structure number:000000000316480
Location:085243602
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:44.9 ft. [13.7 m]
Total length:46.9 ft. [14.3 m]
Owner:County Highway Agency [02]
Year built:1913
Historic significance:Bridge is on the National Register of Historic Places [1]
Main span material:Concrete [1]
Main span design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: December 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:80 [as of 2015]
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:Deterioration or initial disintegration, minor chloride contamination, cracking with some leaching, or spalls on concrete or masonry walls and slabs. Local minor scouring at curtain walls, wingwalls or pipes. Metal culverts have a smooth curvature, non-symmetrical shape, significant corrosion or moderate pitting. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:92.8
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
December 2018Fair6 out of 108092.8
November 2016Fair6 out of 108092.8
December 2014Fair6 out of 108092.8
December 2012Fair6 out of 108092.8
December 2010Fair6 out of 108092.5
December 2008Fair6 out of 108089.5
November 2006-N out of 1016073.7
November 2004-N out of 1016073.7
December 2002-N out of 1016073.5
March 2001-N out of 1016073.4
January 1999Good7 out of 1011073.5
October 1996Good7 out of 1011073.5
March 1995Good7 out of 1011073.5
October 1992Good7 out of 1011073.5
February 1991Good7 out of 1011073.5