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FM over BLACK HAWK CREEK

Map

Coordinates:
+42.37663, -92.53382
42°22'36" N, 92°32'02" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:FM over BLACK HAWK CREEK
Structure number:000000000074551
Location:087140602
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:94.2 ft. [28.7 m]
Total length:333.0 ft. [101.5 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:27.9 ft. [8.5 m]
Owner:County Highway Agency [02]
Year built:1973
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:4
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: April 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:100 [as of 2017]
Truck traffic:28% 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:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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:57.7
Recommended work:Other structural work, including hydraulic replacements. [38]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2018GoodGoodGoodGood10057.7
May 2016GoodGoodGoodGood10057.7
March 2014GoodGoodGoodGood9057.8
April 2012GoodGoodGoodGood8057.8
April 2010GoodGoodGoodGood8057.5
June 2008GoodGoodGoodGood9057.5
June 2006GoodGoodGoodGood9058.4
March 2004GoodGoodGoodGood7058.4
April 2002GoodGoodVery GoodGood7058.4
November 1999GoodGoodVery GoodGood7058.4
July 1998GoodGoodVery GoodGood7058.2
May 1996GoodVery GoodVery GoodGood7058.2
May 1994GoodVery GoodVery GoodGood7058.2
May 1992GoodVery GoodVery GoodVery Good7558.2
July 1990GoodVery GoodVery GoodVery Good7595.0