I-90 Skyway over 79th ST

Fair Condition68 years old28,700 vehicles/day

Location

StateIllinois
CountyCook
Location0.1 M W Of Stony Isl
CarriesI-90 Skyway
Crosses79th ST
Coordinates41.75129, -87.58799

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length122.4 ft (37.3 m)
Max Span117.5 ft (35.8 m)
Deck Width107.3 ft (32.7 m)
Deck Area1219.7 sq m
Main Spans1
Year Built1958 (reconstructed 2002)

Traffic

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

Inspection & Ownership

Last Inspection823
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number016645100000000

Nearby Bridges

Stony Isl SB To E over Ground 0.1 mi Fair Stony Isl SB To E over Stony 79th S Chgo 0.1 mi Fair I-90WB To NB Stony over Conrail & Amtrak 0.1 mi Fair Stony Isl SB To E9 over Ground 0.1 mi Fair I-90 Skyway over Stony Island AVE 0.1 mi Fair I-90WB To NB Stony over Stony 79th & S. Chg 0.2 mi Fair I-90WB To NB Stony over Ground 0.2 mi Fair I-90 Skyway over Dante AVE 0.2 mi Fair I-90WB To NB Stony over Ground 0.2 mi Fair I-90WB To NB Stony over East End AVE 0.2 mi Fair