Black Nursery Road over Illinois River - Wash.


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]

Latest Available Inspection: November 2018

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

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2018FairFairFairFair2648.7
November 2016FairFairFairFair2648.7
November 2014FairFairFairFair2648.7
November 2012FairFairFairFair2648.7
October 2010FairFairFairFair2648.7
October 2008FairFairFairFair2648.7
October 2006FairFairFairFair2648.7
November 2004FairFairFairFair2648.7
December 2003FairFairFairFair2648.5
November 2002FairFairFairFair2648.5
November 2001PoorFairFairPoor2632.5
December 2000PoorFairFairPoor2632.5
February 2000PoorFairFairPoor2632.5
February 1999PoorFairFairPoor2632.5
February 1998PoorFairFairPoor2632.5
February 1996PoorPoorFairPoor2630.5
March 1994PoorPoorFairPoor2630.5
March 1993PoorPoorFairPoor2639.9
April 1992PoorPoorFairPoor2641.9
March 1991PoorPoorFairPoor2641.8