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FM over BR N BLACKHAWK CREEK

Grundy County, Iowa

Map

Coordinates:
+42.46983, -92.65682
42°28'11" N, 92°39'25" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.

Name:	FM over BR N BLACKHAWK CREEK
Structure number:	000000000025881
Location:	088160101
Purpose:	Carries highway over waterway
Route classification:	Major Collector (Rural) `[07]`
Length of largest span:	106.0 ft. `[32.3 m]`
Total length:	243.1 ft. `[74.1 m]`
Roadway width between curbs:	32.2 ft. `[9.8 m]`
Deck width edge-to-edge:	34.1 ft. `[10.4 m]`
Owner:	County Highway Agency `[02]`
Year built:	2004
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 18 / HS 20 `[5]`
Number of main spans:	3
Main spans material:	Prestressed concrete `[5]`
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 2016

Good/Fair/Poor Condition:	Good
Status:	Open, no restriction `[A]`
Average daily traffic:	740 `[as of 2013]`
Deck condition:	Very Good `[8 out of 9]`
Superstructure condition:	Very Good `[8 out of 9]`
Substructure condition:	Very Good `[8 out of 9]`
Structural appraisal:	Equal to present desirable criteria `[8]`
Deck geometry appraisal:	Equal to present minimum criteria `[6]`
Water adequacy appraisal:	Superior to present desirable criteria `[9]`
Roadway alignment appraisal:	Better than present minimum criteria `[7]`
Channel protection:	Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. `[8]`
Scour condition:	Bridge foundations determined to be stable for assessed or calculated scour condition. `[5]`
Sufficiency rating:	99.6
Recommended work:	Other structural work, including hydraulic replacements. `[38]`

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
April 2016	Good	Very Good	Very Good	Very Good	740	99.6
March 2014	Good	Very Good	Very Good	Very Good	740	99.6
April 2012	Good	Very Good	Excellent	Excellent	850	99.5
April 2010	Good	Very Good	Excellent	Excellent	850	99.5
June 2008	Good	Excellent	Excellent	Excellent	660	99.6
June 2006	Good	Excellent	Excellent	Excellent	660	99.6
February 2005	Good	Excellent	Excellent	Excellent	660	99.6

© Copyright 2012-19, James Baughn
Disclaimer: All data is taken from the National Bridge Inventory and has not been verified.
This page's URL is http://bridgereports.com/1108024