Black Nursery Road over Illinois River - Wash.

Facts

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

Name:	Black Nursery Road over Illinois River - Wash.
Structure number:	000000000017390
Location:	0.73 MI N JCT US 62
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) `[09]`
Length of largest span:	97.1 ft. `[29.6 m]`
Total length:	100.1 ft. `[30.5 m]`
Roadway width between curbs:	15.1 ft. `[4.6 m]`
Deck width edge-to-edge:	17.4 ft. `[5.3 m]`
Skew angle:	30°
Owner:	County Highway Agency `[02]`
Year built:	1923
Historic significance:	Bridge is on the National Register of Historic Places `[1]`
Design load:	M 18 / H 20 `[4]`
Main span material:	Concrete `[1]`
Main span design:	Arch - Deck `[11]`
Deck type:	Not applicable `[N]`
Wearing surface:	Bituminous `[6]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	26 `[as of 1987]`
Truck traffic:	1% of total traffic
Deck condition:	Fair `[5 out of 9]`
Superstructure condition:	Fair `[5 out of 9]`
Substructure condition:	Fair `[5 out of 9]`
Structural appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Deck geometry appraisal:	Better than present minimum criteria `[7]`
Water adequacy appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Roadway alignment appraisal:	Basically intolerable requiring high priority of corrrective action `[3]`
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]`
Pier/abutment protection:	Navigation protection not required `[1]`
Scour condition:	Bridge foundations determined to be stable for assessed or calculated scour condition. `[5]`
Sufficiency rating:	48.7
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. `[35]`
Estimated cost of work:	$78,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
November 2018	Fair	Fair	Fair	Fair	26	48.7
November 2016	Fair	Fair	Fair	Fair	26	48.7
November 2014	Fair	Fair	Fair	Fair	26	48.7
November 2012	Fair	Fair	Fair	Fair	26	48.7
October 2010	Fair	Fair	Fair	Fair	26	48.7
October 2008	Fair	Fair	Fair	Fair	26	48.7
October 2006	Fair	Fair	Fair	Fair	26	48.7
November 2004	Fair	Fair	Fair	Fair	26	48.7
December 2003	Fair	Fair	Fair	Fair	26	48.5
November 2002	Fair	Fair	Fair	Fair	26	48.5
November 2001	Poor	Fair	Fair	Poor	26	32.5
December 2000	Poor	Fair	Fair	Poor	26	32.5
February 2000	Poor	Fair	Fair	Poor	26	32.5
February 1999	Poor	Fair	Fair	Poor	26	32.5
February 1998	Poor	Fair	Fair	Poor	26	32.5
February 1996	Poor	Poor	Fair	Poor	26	30.5
March 1994	Poor	Poor	Fair	Poor	26	30.5
March 1993	Poor	Poor	Fair	Poor	26	39.9
April 1992	Poor	Poor	Fair	Poor	26	41.9
March 1991	Poor	Poor	Fair	Poor	26	41.8