US-23 BR over MICH LIMESTONE RR & ROAD

Map

Coordinates:
+45.40523, -83.80357
45°24'19" N, 83°48'13" W

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

Name:	US-23 BR over MICH LIMESTONE RR & ROAD
Structure number:	000000000008970
Old structure number:	71171091000R010 `(from 1992 edition)`
Location:	IN ROGERS CITY
Purpose:	Carries highway over highway and railroad
Route classification:	Major Collector (Rural) `[07]`
Length of largest span:	87.6 ft. `[26.7 m]`
Total length:	254.9 ft. `[77.7 m]`
Roadway width between curbs:	46.6 ft. `[14.2 m]`
Deck width edge-to-edge:	49.5 ft. `[15.1 m]`
Vertical clearance below bridge:	49.2 ft. `[15.0 m]`
Owner:	State Highway Agency `[01]`
Year built:	1975
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:	3
Main spans material:	Steel continuous `[4]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) `[1]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	1,350 `[as of 2009]`
Truck traffic:	9% of total traffic
Deck condition:	Fair `[5 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:	Superior to present desirable criteria `[9]`
Underclearances appraisal:	Superior to present desirable criteria `[9]`
Roadway alignment appraisal:	Better than present minimum criteria `[7]`
Scour condition:	Bridge not over waterway. `[N]`
Sufficiency rating:	98.5

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
May 2017	Fair	Fair	Very Good	Good	1350	98.5
August 2015	Fair	Fair	Very Good	Good	1350	98.5
March 2015	Fair	Fair	Very Good	Good	1350	98.5
June 2013	Fair	Satisfactory	Very Good	Good	1350	99.5
June 2011	Fair	Satisfactory	Very Good	Good	1350	99.5
November 2009	Fair	Satisfactory	Very Good	Good	1350	99.5
June 2007	Fair	Satisfactory	Good	Good	1443	99.5
June 2005	Fair	Satisfactory	Good	Good	1900	99.3
June 2003	Fair	Satisfactory	Good	Good	1900	99.3
August 2001	Fair	Satisfactory	Good	Good	1900	99.3
September 1999	Good	Good	Good	Very Good	1900	99.3
September 1997	Good	Good	Good	Very Good	1900	99.3
September 1995	Good	Good	Good	Very Good	3500	98.7
July 1993	Good	Good	Good	Very Good	1600	99.4
April 1991	Good	Good	Good	Very Good	1600	99.4