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550TH AVE over KEIGLEY BRANCH

Map 

Coordinates:
+42.23611, -94.00278
42°14'10" N, 94°00'10" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

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: November 2016 

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]
Operating rating:38.0 tons [34.5 metric tons]
Inventory rating:27.0 tons [24.5 metric tons]
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 

DateSuff. RatingConditionCulvert ConditionSD/FOADT
November 201692.8Fair6 out of 10-80
December 201492.8Fair6 out of 10-80
December 201292.8Fair6 out of 10-80
December 201092.5Fair6 out of 10-80
December 200889.5Fair6 out of 10-80
November 200673.7-N out of 10-160
November 200473.7-N out of 10-160
December 200273.5-N out of 10-160
March 200173.4-N out of 10-160
January 199973.5Good7 out of 10-110
October 199673.5Good7 out of 10-110
March 199573.5Good7 out of 10-110
October 199273.5Good7 out of 10-110
February 199173.5Good7 out of 10-110