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170TH ST over STREAM

Map

Coordinates:
+40.78969, -93.25026
40°47'23" N, 93°15'01" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:170TH ST over STREAM
Structure number:000000000339850
Location:069211102
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:24.9 ft. [7.6 m]
Total length:25.9 ft. [7.9 m]
Roadway width between curbs:17.1 ft. [5.2 m]
Deck width edge-to-edge:18.7 ft. [5.7 m]
Owner:County Highway Agency [02]
Year built:2008
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Main span material:Concrete [1]
Main span design:Channel beam [22]
Deck type:Concrete Precast Panels [2]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: October 2016

Good/Fair/Poor Condition:Fair
Status:Posted for other load-capacity restriction [R]
Average daily traffic:15 [as of 2010]
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:69.7
Recommended work:Other structural work, including hydraulic replacements. [38]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2016FairSatisfactorySatisfactoryVery Good1569.7
October 2014FairSatisfactorySatisfactoryVery Good1569.7
October 2012FairSatisfactorySatisfactoryVery Good1569.7
September 2010FairSatisfactorySatisfactoryVery Good1579.5
March 2009GoodExcellentExcellentExcellent1596.0