Great Loop bridge planning reference

106th Street Bridge

106th Street Bridge on Calumet Rivernear Chicago, IL; closed clearance about 19.4 ft. Critical low Calumet 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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41.70200000, -87.56000000

Planning only Drawbridge / movable Air draft concern
WaterwayCalumet River
Route SegmentIllinois / Chicago
Route VariantInland Rivers / Chicago or Cal-Sag
State / ProvinceIL
Nearest CityChicago
Mile MarkerRM 330.8
Bridge TypeBascule
Source Confidencemedium

Clearance And Opening Details

Vertical Clearance Closed19.40 ft
Vertical Clearance OpenNot verified
Horizontal Clearance217.70 ft
VHF ChannelNot verified
PhoneNot verified
Last Verified2026-06-08
Bridge contact information has not been verified yet. Confirm current opening procedures before transit.
Verify against current water level / bridge gauge before transit.

Planning Notes

Air Draft Notes
Closed/air-draft clearance: 19.4 ft. Datum/reference: Low Water Datum Lake Michigan; IGLD 1985. Clearance band: Route-limiting / Critical
Opening Schedule
Bascule; verify opening/status.
Operator / Contact
Not verified
Navigation Notes
Bascule; verify opening/status. Sub-20-ft closed clearance. Closed/air-draft clearance: 19.4 ft. Datum/reference: Low Water Datum Lake Michigan; IGLD 1985. Clearance band: Route-limiting / Critical Bascule; verify opening/status.
Regulatory Notes
Bascule; verify opening/status. Sub-20-ft closed clearance.