M-102 RAMP over M-10 RAMP

Map

Coordinates:
+42.44508, -83.20342
42°26'42" N, 83°12'12" W

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

Name:	M-102 RAMP over M-10 RAMP
Structure number:	000000000011464
Old structure number:	82182112000S340 `(from 1992 edition)`
Location:	N LTS OF DETROIT
Purpose:	Carries highway over highway
Route classification:	Other Principal Arterial (Urban) `[14]`
Length of largest span:	56.8 ft. `[17.3 m]`
Total length:	59.1 ft. `[18.0 m]`
Roadway width between curbs:	21.0 ft. `[6.4 m]`
Deck width edge-to-edge:	23.6 ft. `[7.2 m]`
Vertical clearance below bridge:	16.4 ft. `[5.0 m]`
Skew angle:	62°
Owner:	State Highway Agency `[01]`
Year built:	1965
Year reconstructed:	2010
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 18 / HS 20 `[5]`
Main span material:	Steel `[3]`
Main span 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:	6,000 `[as of 2009]`
Truck traffic:	4% of total traffic
Deck condition:	Very Good `[8 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:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Underclearances appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Roadway alignment appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Scour condition:	Bridge not over waterway. `[N]`
Sufficiency rating:	91.0

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
February 2017	Good	Very Good	Very Good	Good	6000	91.0
February 2015	Good	Very Good	Very Good	Good	6000	91.0
March 2013	Good	Very Good	Very Good	Good	6000	91.0
March 2011	Good	Very Good	Very Good	Very Good	6000	91.0
March 2009	Poor	Poor	Good	Good	9800	77.8
April 2006	Poor	Poor	Good	Good	9800	77.8
April 2004	Poor	Poor	Good	Good	9800	79.8
April 2002	Poor	Poor	Good	Good	9800	79.8
April 2000	Poor	Poor	Good	Good	9800	79.8
August 1998	Poor	Poor	Good	Good	9800	77.8
July 1996	Fair	Fair	Good	Good	9800	79.8
August 1994	Good	Good	Good	Good	9800	81.4
October 1992	Poor	Poor	Good	Good	9800	78.4
October 1990	Fair	Satisfactory	Very Good	Good	9800	82.4

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Steel Girder/Beam	linear ft.	968	968	0	0	0
Deck
Reinforced Concrete Deck	sq. ft.	14,897	14,897	0	0	0
Substructure
Reinforced Concrete Abutment	linear ft.	292	282	10	0	0
Joints
Compression Joint	linear ft.	292	226	66	0	0
Bearings
Movable Bearing	each	5	5	0	0	0
Fixed Bearing	each	5	5	0	0	0
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	387	371	16	0	0