OFF RAMP @ GRNFLD. over LAND

Map

Coordinates:
+42.37961, -83.19619
42°22'47" N, 83°11'46" W

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

Name:	OFF RAMP @ GRNFLD. over LAND
Structure number:	000000000011546
Old structure number:	82182123000R058 `(from 1992 edition)`
Location:	IN DETROIT
Purpose:	Carries highway over railroad
Route classification:	Principal Arterial - Interstate (Urban) `[11]`
Length of largest span:	69.9 ft. `[21.3 m]`
Total length:	243.8 ft. `[74.3 m]`
Roadway width between curbs:	28.2 ft. `[8.6 m]`
Deck width edge-to-edge:	39.7 ft. `[12.1 m]`
Owner:	State Highway Agency `[01]`
Year built:	1973
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 `[3]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Latex Concrete or similar additive `[3]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	12,580 `[as of 1982]`
Deck condition:	Satisfactory `[6 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]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Scour condition:	Bridge not over waterway. `[N]`
Sufficiency rating:	100.0

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
August 2017	Fair	Satisfactory	Very Good	Good	12580	100.0
August 2015	Good	Good	Very Good	Good	12580	100.0
August 2013	Good	Good	Very Good	Good	12580	100.0
August 2011	Good	Good	Very Good	Good	12580	100.0
August 2009	Good	Good	Very Good	Good	12580	100.0
September 2007	Good	Good	Very Good	Good	12580	100.0
September 2005	Good	Good	Very Good	Good	12580	100.0
October 2003	Fair	Good	Very Good	Satisfactory	12580	100.0
October 2001	Fair	Good	Very Good	Satisfactory	12580	100.0
December 1999	Fair	Good	Very Good	Satisfactory	12580	100.0
August 1997	Fair	Good	Very Good	Satisfactory	12580	100.0
June 1995	Good	Good	Very Good	Good	12580	100.0
October 1993	Good	Good	Very Good	Very Good	12580	100.0
May 1991	Fair	Very Good	Good	Satisfactory	12580	100.0

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.	4,003	4,003	0	0	0
Steel Protective Coating	sq. ft.	118,187	112,278	5,909	0	0
Deck
Reinforced Concrete Deck	sq. ft.	95,508	81,181	9,548	4,779	0
Superstructure
Steel Pin or Pin & Hangar Assembly	each	10	10	0	0	0
Substructure
Reinforced Concrete Column	each	12	12	0	0	0
Reinforced Concrete Abutment	linear ft.	122	115	7	0	0
Concrete Protective Coating	sq. ft.	2,691	2,562	129	0	0
Reinforced Concrete Pier Cap	linear ft.	361	361	0	0	0
Joints
Strip Seal Joint	linear ft.	240	240	0	0	0
Pourable Joint	linear ft.	598	509	59	30	0
Bearings
Movable Bearing	each	10	10	0	0	0
Fixed Bearing	each	10	10	0	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	1,601	1,552	49	0	0
Reinforced Concrete Bridge Rail	linear ft.	1,602	1,201	322	79	0