M-46 (EXTEN) over US-131

Map

Coordinates:
+43.42484, -85.49553
43°25'29" N, 85°29'44" W

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

Name:	M-46 (EXTEN) over US-131
Structure number:	000000000007427
Old structure number:	59159012000S120 `(from 1992 edition)`
Location:	2.5 MI NW OF HOWARD CITY
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Other (Rural) `[02]`
Length of largest span:	124.0 ft. `[37.8 m]`
Total length:	368.1 ft. `[112.2 m]`
Roadway width between curbs:	49.2 ft. `[15.0 m]`
Deck width edge-to-edge:	51.8 ft. `[15.8 m]`
Vertical clearance below bridge:	16.4 ft. `[5.0 m]`
Skew angle:	18°
Owner:	State Highway Agency `[01]`
Year built:	1979
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 22.5 / HS 25 `[9]`
Number of main spans:	3
Main spans material:	Steel `[3]`
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:	Good
Status:	Open, no restriction `[A]`
Average daily traffic:	6,427 `[as of 2007]`
Truck traffic:	18% of total traffic
Deck condition:	Good `[7 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:	Better than present minimum criteria `[7]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Scour condition:	Bridge not over waterway. `[N]`
Operating rating:	85.9 tons `[78.1 metric tons]`
Inventory rating:	51.4 tons `[46.7 metric tons]`
Sufficiency rating:	99.4
Recommended work:	Bridge deck replacement with only incidental widening. `[37]`
Estimated cost of work:	$192,000

Date	Suff. Rating	Condition	Deck	Superstructure	Substructure	SD/FO	ADT
October 2015	99.4	Good	Good	Very Good	Good	-	6427
October 2013	99.4	Good	Good	Very Good	Good	-	6427
November 2011	99.4	Good	Good	Very Good	Good	-	6427
April 2008	99.4	Good	Good	Very Good	Good	-	6427
April 2006	99.4	Good	Good	Very Good	Good	-	6261
April 2004	99.4	Good	Good	Very Good	Good	-	6600
May 2002	99.4	Good	Good	Very Good	Good	-	6600
August 2000	99.4	Good	Good	Very Good	Good	-	6600
August 1998	99.4	Good	Good	Very Good	Good	-	6600
July 1996	97.4	Good	Good	Very Good	Good	-	6600
May 1994	97.5	Good	Good	Very Good	Good	-	7100
May 1992	97.5	Good	Very Good	Very Good	Good	-	7100
May 1990	97.5	Good	Very Good	Very Good	Good	-	7100

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.

Element	Units	Quantity	1. Good	2. Fair	3. Poor	4. Serious
Superstructure
Steel Girder/Beam	linear ft.	2,398	2,359	39	0	0
Steel Protective Coating	sq. ft.	43	43	0	0	0
Deck
Reinforced Concrete Deck	sq. ft.	18,815	18,815	0	0	0
Substructure
Reinforced Concrete Column	each	10	10	0	0	0
Reinforced Concrete Abutment	linear ft.	112	92	20	0	0
Reinforced Concrete Pier Cap	linear ft.	112	112	0	0	0
Joints
Pourable Joint	linear ft.	207	207	0	0	0
Compression Joint	linear ft.	104	104	0	0	0
Other Joint	linear ft.	104	104	0	0	0
Bearings
Movable Bearing	each	21	21	0	0	0
Fixed Bearing	each	7	7	0	0	0
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	725	528	197	0	0