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SWAN LAKE RD NE over BR IOWA RIVER

This bridge is no longer in the current National Bridge Inventory database, and has likely been demolished or abandoned.

Map

Coordinates:
+41.77497, -91.65284
41°46'30" N, 91°39'10" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SWAN LAKE RD NE over BR IOWA RIVER
Structure number:000000000204970
Location:080070301
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:22.0 ft. [6.7 m]
Total length:23.0 ft. [7.0 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:25.9 ft. [7.9 m]
Skew angle:30°
Owner:County Highway Agency [02]
Year built:1925
Year reconstructed:1978
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Main span material:Wood or timber [7]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Wood or Timber [8]
Wearing surface:Wood or Timber [7]

Latest Available Inspection: July 2017

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:130 [as of 2014]
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Critical [2 out of 9]
Structural appraisal:Basically intolerable requiring high priority of replacement [2]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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:34.3
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2017PoorFairSatisfactoryCritical13034.3
June 2015PoorFairGoodSerious13043.0
May 2013PoorFairGoodSerious13043.0
May 2011PoorSatisfactoryGoodSerious13044.0
May 2009PoorSatisfactoryGoodSerious13043.7
April 2007PoorSatisfactoryGoodPoor13058.1
June 2005PoorSatisfactoryGoodPoor18058.1
March 2003PoorSatisfactoryGoodPoor18058.1
April 2001PoorSatisfactoryVery GoodPoor18058.1
July 1999PoorSatisfactoryVery GoodPoor18058.1
January 1997PoorSatisfactoryVery GoodPoor20058.1
March 1995FairSatisfactoryVery GoodFair20073.6
June 1993FairSatisfactoryVery GoodFair12073.7
March 1991FairSatisfactoryVery GoodSatisfactory12084.7