I-90 Skyway over Cottage Grove AVE

Fair Condition68 years old28,700 vehicles/day

Location

StateIllinois
CountyCook
Location0.1 M SE 71st P7c
CarriesI-90 Skyway
CrossesCottage Grove AVE
Coordinates41.76389, -87.60552

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length129.9 ft (39.6 m)
Max Span121.4 ft (37 m)
Deck Width106.0 ft (32.3 m)
Deck Area1279.1 sq m
Main Spans1
Year Built1958 (reconstructed 1994)

Traffic

Avg Daily Traffic28,700 (2020)
Truck Traffic16%
Lanes On Bridge6
Lanes Under Bridge4

Inspection & Ownership

Last Inspection822
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number016630300000000

Nearby Bridges

I-90 Skyway over 73rd ST 0.1 mi Fair I-90 Skyway over 71st ST 0.3 mi Fair I-90 Skyway over ST Lawrence AVE 0.4 mi Fair I-90 Skyway over 75th ST & Grnwood Av 0.5 mi Fair I-90 Skyway over Keefe AVE 0.6 mi Fair I-90 Skyway over Ground SE 75th ST 0.6 mi Fair I-90 Skyway over 76th ST Ni Pl & Icrr 0.7 mi Fair I-90 Skyway over M L King DR 0.7 mi Fair I-90 Skyway over Avalon ST 0.8 mi Fair I-90 Skyway over Marquette Rd(67th) 0.9 mi Fair