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TR-105 Crosby Rd over Rock Creek

Whiteside County, Illinois

Map

Coordinates:
+41.81860, -89.96811
41°49'07" N, 89°58'05" W

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Facts

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

Name:	TR-105 Crosby Rd over Rock Creek
Structure number:	098506100000000
Old structure number:	000098506135456 `(from 1992 edition)`
Location:	.5M NW MORRISON
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) `[09]`
Length of largest span:	87.3 ft. `[26.6 m]`
Total length:	140.1 ft. `[42.7 m]`
Roadway width between curbs:	29.9 ft. `[9.1 m]`
Deck width edge-to-edge:	31.8 ft. `[9.7 m]`
Owner:	County Highway Agency `[02]`
Year built:	2001
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:	2
Main spans material:	Steel `[3]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Wood or Timber `[8]`
Wearing surface:	Wood or Timber `[7]`

Latest Available Inspection: May 2018

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	600 `[as of 2016]`
Truck traffic:	13% of total traffic
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Fair `[5 out of 9]`
Substructure condition:	Very Good `[8 out of 9]`
Structural appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Deck geometry appraisal:	Equal to present minimum criteria `[6]`
Water adequacy appraisal:	Equal to present desirable criteria `[8]`
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:	83.7

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
May 2018	Fair	Good	Fair	Very Good	600	83.7
May 2016	Fair	Good	Fair	Very Good	600	83.7
May 2014	Fair	Good	Satisfactory	Very Good	600	94.8
April 2010	Good	Good	Good	Very Good	500	94.8
May 2008	Good	Very Good	Very Good	Very Good	500	94.8
March 2005	Good	Very Good	Very Good	Very Good	600	94.8
December 2003	Good	Very Good	Very Good	Very Good	600	94.8
December 2001	Good	Excellent	Excellent	Excellent	650	94.7

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