Great Loop bridge planning reference

Norfolk Southern Railroad Bridge

Norfolk Southern Railroad Bridge on Calumet Rivernear Chicago, IL; closed clearance about 22.5 ft. Low movable Calumet bridge.

41.65300000, -87.56100000

Drawbridge / movable Railroad bridge
WaterwayCalumet River
Route SegmentIllinois / Chicago
Route VariantInland Rivers / Chicago or Cal-Sag
State / ProvinceIL
Nearest CityChicago
Mile MarkerRM 327.7
Bridge TypeLift railroad
Source Confidencemedium

What Boaters Should Know

Norfolk Southern Railroad Bridge on Calumet Rivernear Chicago, IL; closed clearance about 22.5 ft. Low movable Calumet bridge.

Clearance And Opening Details

Vertical Clearance Closed22.50 ft
Vertical Clearance Open125.00 ft
Horizontal Clearance219.70 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.

Opening / Contact Notes

Opening Schedule
Lift bridge; verify rail/opening status.
Operator / Contact
Not verified

Navigation And Regulatory Notes

Air Draft Notes
Closed/air-draft clearance: 22.5 ft. Open clearance: 125 ft. Datum/reference: Low Water Datum Lake Michigan; IGLD 1985. Clearance band: Low / Timing-sensitive
Navigation Notes
Lift bridge; verify rail/opening status. Closed clearance low; open clearance high. Closed/air-draft clearance: 22.5 ft. Open clearance: 125 ft. Datum/reference: Low Water Datum Lake Michigan; IGLD 1985. Clearance band: Low / Timing-sensitive Lift bridge; verify rail/opening status.
Regulatory Notes
Lift bridge; verify rail/opening status. Closed clearance low; open clearance high.

Planning Considerations

Confirm your vessel air draft, current water levels, bridge signage, official charts, bridge schedules, Local Notices to Mariners, and any VHF or phone procedures before approaching this bridge. If the bridge is movable, build extra time into your route plan for opening windows, traffic, restrictions, weather, and communication delays.

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.