Great Loop bridge planning reference

I-90 Chicago Skyway Toll Bridge

I-90 Chicago Skyway Toll Bridge on Calumet Rivernear Chicago, IL; closed clearance about 126 ft. High fixed bridge.

Planning awareness only: Bridge information is provided for planning awareness only. Always verify current bridge status, clearance, water levels, bridge schedules, opening restrictions, Local Notices to Mariners, bridge signage, and official charts before transit. FloatPlanWizard is not a navigation authority.

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41.72100000, -87.56000000

Planning only Fixed bridgeAir draft concern
WaterwayCalumet River
Route SegmentIllinois / Chicago
Route VariantInland Rivers / Chicago or Cal-Sag
State / ProvinceIL
Nearest CityChicago
Mile MarkerRM 331.9
Bridge TypeFixed
Source Confidencemedium

Clearance And Opening Details

Vertical Clearance Closed126.00 ft
Vertical Clearance OpenNot verified
Horizontal Clearance229.80 ft
VHF ChannelNot verified
PhoneNot verified
Last Verified2026-06-08
Verify against current water level / bridge gauge before transit.

Planning Notes

Air Draft Notes
Closed/air-draft clearance: 126 ft. Datum/reference: Low Water Datum Lake Michigan; IGLD 1985. Clearance band: High clearance
Opening Schedule
Fixed.
Operator / Contact
Not verified
Navigation Notes
Fixed. Not limiting for Loopers; major landmark. Closed/air-draft clearance: 126 ft. Datum/reference: Low Water Datum Lake Michigan; IGLD 1985. Clearance band: High clearance Fixed.
Regulatory Notes
Fixed. Not limiting for Loopers; major landmark.