I-94 W-S RAMP over I-75 & RAMP

Map 

Facts 

Name:	I-94 W-S RAMP over I-75 & RAMP
Structure number:	82182251000S290
Location:	IN DETROIT
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	67.9 ft. [20.7 m]
Total length:	185.7 ft. [56.6 m]
Roadway width between curbs:	35.1 ft. [10.7 m]
Deck width edge-to-edge:	38.4 ft. [11.7 m]
Vertical clearance below bridge:	14.4 ft. [4.4 m]
Skew angle:	20°
Owner:	State Highway Agency [01]
Year built:	1962
Year reconstructed:	2002
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:	Latex Concrete or similar additive [3]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	12,870 [as of 1982]
Truck traffic:	3% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	45.0 tons [40.9 metric tons]
Inventory rating:	45.0 tons [40.9 metric tons]
Sufficiency rating:	94.0

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	12,870 [as of 1982]
Truck traffic:	3% of total traffic
Deck condition:	Serious [3 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Serious [3 out of 9]
Pier/abutment protection:	Navigation protection not required [1]
Scour condition:	Bridge not over waterway. [N]
Inventory rating:	53.9 tons [49.0 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	47.0
Recommended work:	Bridge deck replacement with only incidental widening. [37]

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	12,870 [as of 1982]
Deck condition:	Fair [5 out of 9]
Superstructure condition:	Very Good [8 out of 9]
Substructure condition:	Poor [4 out of 9]
Pier/abutment protection:	Navigation protection not required [1]
Scour condition:	Bridge not over waterway. [N]
Inventory rating:	40.6 tons [36.9 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	66.0
Recommended work:	Bridge deck replacement with only incidental widening. [37]
Estimated cost of work:	$31,000

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