I-90 Skyway over 71st ST

Fair Condition68 years old28,700 vehicles/day

Location

StateIllinois
CountyCook
Location0.1 M E Cottage P7c
CarriesI-90 Skyway
Crosses71st ST
Coordinates41.76698, -87.60980

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length106.0 ft (32.3 m)
Max Span97.4 ft (29.7 m)
Deck Width118.4 ft (36.1 m)
Deck Area1166.0 sq m
Main Spans1
Year Built1958 (reconstructed 1994)

Traffic

Avg Daily Traffic28,700 (2020)
Truck Traffic16%
Lanes On Bridge6
Lanes Under Bridge2

Inspection & Ownership

Last Inspection822
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number016630200000000

Nearby Bridges

I-90 Skyway over ST Lawrence AVE 0.1 mi Fair I-90 Skyway over Keefe AVE 0.3 mi Fair I-90 Skyway over Cottage Grove AVE 0.3 mi Fair I-90 Skyway over M L King DR 0.4 mi Fair I-90 Skyway over 73rd ST 0.4 mi Fair I-90 Skyway over Marquette Rd(67th) 0.6 mi Fair I-90 Skyway over Ground SE Indiana Av 0.6 mi Fair I-90 Skyway over 75th ST & Grnwood Av 0.8 mi Fair 71st ST over I- 94 Ryan & Cta 0.8 mi Fair 69th ST over I- 94 Dan Ryan 0.9 mi Fair