M-10 RAMP over M-8 EB DAVISON

Map 

Facts 

Name:	M-10 RAMP over M-8 EB DAVISON
Structure number:	82182112000S140
Location:	IN DETROIT
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:	123.0 ft. [37.5 m]
Total length:	301.9 ft. [92.0 m]
Roadway width between curbs:	25.3 ft. [7.7 m]
Deck width edge-to-edge:	28.5 ft. [8.7 m]
Vertical clearance below bridge:	14.8 ft. [4.5 m]
Skew angle:	60°
Owner:	State Highway Agency [01]
Year built:	1957
Year reconstructed:	1996
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:	4
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]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	17,840 [as of 1982]
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	77.1 tons [70.1 metric tons]
Inventory rating:	46.3 tons [42.1 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	92.2

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	17,840 [as of 1982]
Deck condition:	Very Good [8 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Good [7 out of 9]
Pier/abutment protection:	Navigation protection not required [1]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	77.1 tons [70.1 metric tons]
Inventory rating:	46.3 tons [42.1 metric tons]
Sufficiency rating:	87.1

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	17,840 [as of 1982]
Deck condition:	Fair [5 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Fair [5 out of 9]
Pier/abutment protection:	Navigation protection not required [1]
Scour condition:	Bridge not over waterway. [N]
Inventory rating:	34.7 tons [31.5 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	79.1
Recommended work:	Bridge deck replacement with only incidental widening. [37]
Estimated cost of work:	$37,000

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