Great Loop bridge planning reference

B&O Chicago Terminal Railroad Bridge

B&O Chicago Terminal Railroad Bridge on Chicago Sanitary & Ship Canalnear Chicago, IL; closed clearance about 19.5 ft. Critical low 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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41.82000000, -87.76500000

Planning only Fixed bridgeRailroad bridgeAir draft concern
WaterwayChicago Sanitary & Ship Canal
Route SegmentIllinois / Chicago
Route VariantInland Rivers / Chicago or Cal-Sag
State / ProvinceIL
Nearest CityChicago
Mile MarkerRM 312.3
Bridge TypeFixed railroad
Source Confidencemedium

Clearance And Opening Details

Vertical Clearance Closed19.50 ft
Vertical Clearance OpenNot verified
Horizontal Clearance133.70 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: 19.5 ft. Datum/reference: Low Operating Level / Flat Pool; NGVD 1929. Clearance band: Route-limiting / Critical
Opening Schedule
Fixed.
Operator / Contact
Not verified
Navigation Notes
Fixed. Important if transiting this channel; below 20 ft. Closed/air-draft clearance: 19.5 ft. Datum/reference: Low Operating Level / Flat Pool; NGVD 1929. Clearance band: Route-limiting / Critical Fixed.
Regulatory Notes
Fixed. Important if transiting this channel; below 20 ft.