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THOMAS ST over MIDDLE RIVER

Adair County, Iowa

Map

Coordinates:
+41.50382, -94.52456
41°30'14" N, 94°31'28" W

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Facts

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

Name:	THOMAS ST over MIDDLE RIVER
Structure number:	000000000001010
Location:	077320300
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) `[09]`
Length of largest span:	89.9 ft. `[27.4 m]`
Total length:	96.1 ft. `[29.3 m]`
Roadway width between curbs:	19.0 ft. `[5.8 m]`
Deck width edge-to-edge:	20.3 ft. `[6.2 m]`
Skew angle:	45°
Owner:	City or Municipal Highway Agency `[04]`
Year built:	1940
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Main span material:	Steel `[3]`
Main span design:	Truss - Thru `[10]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) `[1]`

Latest Available Inspection: March 2017

Good/Fair/Poor Condition:	Poor
Status:	Posted for load `[P]`
Average daily traffic:	152 `[as of 1998]`
Deck condition:	Poor `[4 out of 9]`
Superstructure condition:	Poor `[4 out of 9]`
Substructure condition:	Poor `[4 out of 9]`
Structural appraisal:	Basically intolerable requiring high priority of replacement `[2]`
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:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
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 with "unknown" foundation that has not been evaluated for scour. `[U]`
Sufficiency rating:	16.1
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
March 2017	Poor	Poor	Poor	Poor	152	16.1
May 2015	Poor	Poor	Poor	Poor	152	16.1
May 2013	Poor	Poor	Poor	Poor	152	16.1
May 2011	Poor	Poor	Poor	Poor	152	16.1
May 2009	Poor	Poor	Poor	Poor	152	16.1
June 2007	Poor	Poor	Poor	Poor	152	16.1
March 2005	Poor	Poor	Fair	Poor	152	16.1
July 2003	Poor	Poor	Fair	Poor	152	17.4
June 2001	Poor	Poor	Fair	Poor	152	17.4
July 1999	Poor	Poor	Satisfactory	Poor	152	17.4
June 1997	Poor	Poor	Satisfactory	Poor	152	17.4
May 1995	Poor	Fair	Satisfactory	Poor	148	19.6
August 1993	Fair	Fair	Satisfactory	Fair	15	36.8
April 1991	Fair	Fair	Satisfactory	Fair	15	36.8

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