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LOCAL over MIDDLE RIVER

Adair County, Iowa

Map

Coordinates:
+41.50381, -94.48878
41°30'14" N, 94°29'20" W

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Facts

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

Name:	LOCAL over MIDDLE RIVER
Structure number:	000000000058010
Location:	077320101
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) `[09]`
Length of largest span:	89.9 ft. `[27.4 m]`
Total length:	90.9 ft. `[27.7 m]`
Roadway width between curbs:	17.1 ft. `[5.2 m]`
Deck width edge-to-edge:	17.1 ft. `[5.2 m]`
Owner:	County Highway Agency `[02]`
Year built:	1915
Historic significance:	Bridge is possibly eligible for the National Register of Historic Places `[3]`
Main span material:	Steel `[3]`
Main span design:	Truss - Thru `[10]`
Deck type:	Wood or Timber `[8]`
Wearing surface:	Wood or Timber `[7]`

Latest Available Inspection: August 2018

Good/Fair/Poor Condition:	Poor
Status:	Posted for load `[P]`
Average daily traffic:	30 `[as of 2016]`
Deck condition:	Poor `[4 out of 9]`
Superstructure condition:	Fair `[5 out of 9]`
Substructure condition:	Good `[7 out of 9]`
Structural appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Deck geometry appraisal:	Basically intolerable requiring high priority of corrrective action `[3]`
Water adequacy appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
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:	48.2
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. `[31]`

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
August 2018	Poor	Poor	Fair	Good	30	48.2
June 2016	Poor	Poor	Fair	Very Good	30	48.2
May 2014	Poor	Poor	Fair	Very Good	30	48.2
May 2012	Poor	Poor	Fair	Very Good	30	48.2
May 2010	Poor	Poor	Fair	Very Good	30	48.0
May 2008	Fair	Fair	Fair	Very Good	30	42.0
May 2006	Fair	Fair	Fair	Very Good	30	41.0
July 2004	Fair	Fair	Fair	Very Good	45	41.0
May 2002	Fair	Fair	Fair	Very Good	45	41.0
June 2000	Fair	Fair	Fair	Very Good	45	41.0
May 1999	Poor	Poor	Poor	Serious	40	20.4
May 1998	Poor	Poor	Poor	Serious	40	20.4
June 1997	Poor	Poor	Poor	Serious	40	20.4
June 1996	Poor	Poor	Fair	Serious	40	20.4
May 1995	Poor	Poor	Fair	Serious	45	24.5
April 1994	Poor	Fair	Fair	Serious	45	26.2
March 1993	Poor	Fair	Fair	Serious	45	26.2
June 1992	Poor	Satisfactory	Fair	Serious	45	27.2
April 1991	Poor	Satisfactory	Fair	Serious	35	27.2

© Copyright 2012-20, James Baughn
Disclaimer: All data is taken from the National Bridge Inventory and has not been verified.
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