I-90 SKYWAY over 86TH ST

Map

Coordinates:
+41.73901, -87.57072
41°44'20" N, 87°34'15" W

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

Name:	I-90 SKYWAY over 86TH ST
Structure number:	016640700000000
Old structure number:	000016640704328 `(from 1992 edition)`
Location:	0.2 M SE 85TH P7C
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) `[11]`
Tolls:	Yes, on toll road `[2]`
Length of largest span:	68.9 ft. `[21.0 m]`
Total length:	71.9 ft. `[21.9 m]`
Roadway width between curbs:	99.7 ft. `[30.4 m]`
Deck width edge-to-edge:	106.0 ft. `[32.3 m]`
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]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	17,000 `[as of 2016]`
Truck traffic:	13% 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]`
Structural appraisal:	Equal to present minimum criteria `[6]`
Deck geometry appraisal:	Superior to present desirable criteria `[9]`
Underclearances appraisal:	Equal to present minimum criteria `[6]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Scour condition:	Bridge not over waterway. `[N]`
Sufficiency rating:	89.2

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
August 2017	Fair	Very Good	Satisfactory	Satisfactory	17000	89.2
August 2015	Fair	Very Good	Satisfactory	Satisfactory	17000	89.2
September 2013	Fair	Very Good	Satisfactory	Satisfactory	17000	89.2
September 2011	Fair	Very Good	Satisfactory	Satisfactory	21050	87.2
October 2010	Fair	Very Good	Satisfactory	Satisfactory	23950	85.7
September 2008	Fair	Very Good	Satisfactory	Satisfactory	23950	85.7
November 2007	Fair	Excellent	Satisfactory	Satisfactory	47700	85.0
November 2005	Poor	Fair	Serious	Fair	47700	40.0
October 2004	Fair	Fair	Satisfactory	Fair	47700	73.0
November 2003	Fair	Fair	Good	Fair	47700	73.0
October 2001	Fair	Fair	Satisfactory	Satisfactory	51300	84.0
September 2000	Fair	Fair	Satisfactory	Satisfactory	51300	84.0
October 1999	Fair	Fair	Satisfactory	Satisfactory	45100	84.0
September 1997	Fair	Satisfactory	Satisfactory	Satisfactory	17100	89.2
August 1995	Fair	Satisfactory	Satisfactory	Satisfactory	17100	89.0
August 1994	Fair	Satisfactory	Satisfactory	Satisfactory	17100	89.0
November 1993	Fair	Satisfactory	Satisfactory	Satisfactory	17100	89.0
May 1992	Poor	Poor	Fair	Fair	17100	73.3
October 1990	Poor	Poor	Fair	Fair	17100	75.3

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.	432	349	83	0	0
Deck
Reinforced Concrete Deck	sq. ft.	7,674	7,521	153	0	0
Substructure
Reinforced Concrete Abutment	linear ft.	212	184	5	23	0
Reinforced Concrete Pier Cap	linear ft.	218	181	9	28	0
Joints
Strip Seal Joint	linear ft.	104	84	18	2	0
Pourable Joint	linear ft.	73	73	0	0	0
Bearings
Elastomeric Bearing	each	14	10	4	0	0
Fixed Bearing	each	14	0	11	3	0
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	290	275	15	0	0