ROOT ST over I- 90,94 RYAN & CTA

Map

Coordinates:
+41.81915, -87.62994
41°49'09" N, 87°37'48" W

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

Name:	ROOT ST over I- 90,94 RYAN & CTA
Structure number:	016115400000000
Old structure number:	000016115426288 `(from 1992 edition)`
Location:	2 M S I-55
Purpose:	Carries highway over highway and railroad
Route classification:	Minor Collector (Rural) `[08]`
Length of largest span:	72.2 ft. `[22.0 m]`
Total length:	428.5 ft. `[130.6 m]`
Roadway width between curbs:	51.8 ft. `[15.8 m]`
Deck width edge-to-edge:	66.6 ft. `[20.3 m]`
Vertical clearance below bridge:	13.1 ft. `[4.0 m]`
Owner:	State Highway Agency `[01]`
Year built:	1961
Year reconstructed:	2009
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:	5
Main spans material:	Steel continuous `[4]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Concrete Cast-in-Place `[1]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	2,100 `[as of 2014]`
Truck traffic:	9% of total traffic
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Very Good `[8 out of 9]`
Substructure condition:	Good `[7 out of 9]`
Structural appraisal:	Better than present minimum criteria `[7]`
Deck geometry appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Underclearances appraisal:	Basically intolerable requiring high priority of corrrective action `[3]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Scour condition:	Bridge not over waterway. `[N]`
Sufficiency rating:	82.5
Recommended work:	Widening of existing bridge with deck rehabilitation or replacement. `[34]`
Estimated cost of work:	$2,091,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
November 2017	Fair	Satisfactory	Very Good	Good	2100	82.5
November 2015	Good	Good	Very Good	Good	2100	82.5
November 2013	Good	Very Good	Very Good	Good	2100	82.5
November 2011	Good	Very Good	Very Good	Good	1350	89.4
January 2010	Good	Very Good	Excellent	Good	3000	81.1
December 2007	Poor	Poor	Fair	Fair	15009	62.3
January 2006	Poor	Poor	Fair	Fair	15009	63.8
July 2004	Poor	Poor	Fair	Satisfactory	15009	63.8
October 2002	Poor	Poor	Fair	Satisfactory	15009	63.8
September 2000	Poor	Poor	Fair	Satisfactory	15009	63.8
December 1999	Poor	Poor	Fair	Satisfactory	15009	63.8
March 1998	Poor	Poor	Fair	Satisfactory	15009	63.8
July 1996	Poor	Poor	Fair	Satisfactory	15009	63.8
June 1994	Poor	Poor	Fair	Satisfactory	15009	63.1
October 1993	Poor	Poor	Fair	Satisfactory	15009	63.1
July 1992	Poor	Poor	Good	Satisfactory	15009	74.4
March 1991	Poor	Poor	Good	Satisfactory	15009	74.4