I-90 SKYWAY WB over 87TH ST

Map 

Facts 

Name:	I-90 SKYWAY WB over 87TH ST
Structure number:	000016640904371
Location:	0.1 W S CHGO AVE P7C
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Tolls:	Yes, on toll road [2]
Length of largest span:	135.8 ft. [41.4 m]
Total length:	140.1 ft. [42.7 m]
Roadway width between curbs:	47.2 ft. [14.4 m]
Deck width edge-to-edge:	50.5 ft. [15.4 m]
Vertical clearance below bridge:	14.4 ft. [4.4 m]
Skew angle:	45°
Owner:	City or Municipal Highway Agency [04]
Year built:	1958
Year reconstructed:	2007
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:	Latex Concrete or similar additive [3]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	23,950 [as of 2009]
Truck traffic:	11% of total traffic
Deck condition:	Very Good [8 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:	48.5 tons [44.1 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	81.0

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	8,550 [as of 1995]
Truck traffic:	16% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Fair [5 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	48.5 tons [44.1 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	77.6

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	8,550 [as of 1990]
Truck traffic:	13% of total traffic
Deck condition:	Fair [5 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Fair [5 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	35.6 tons [32.4 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	77.5

Comments