BRIDGEs over the fox river:

Port of Green Bay Facilities Map (PDF)

Tower Drive- At mile 0.41
Fixed Span - High level
I-43 Interstate Highway bridge - 4 lane
Horizontal clearance 402'
Vertical clearance may vary depending upon fluctuations of water level - 119' for the full width, with 120' at the center
(Bridge was built at 120' above high water datum, however, with high water as of November 2017, the minimum vertical clearance is now 119' for the full width of the main span, with 120' at the center.)
Full channel width through bridge.

Canadian National Railroad - At mile 1.02
Left opening 85'   Right opening 85.6'
Vertical clearance 7.5'
Normal position open - Unattended
Closed by train personnel only as required for train crossings - audio and visual warnings when moving

Main Street - At mile 1.57
Double lift
Horizontal clearance 95'
Vertical clearance 14.9'

Walnut Street - At mile 1.8
Double lift
Horizontal clearance 95'
Vertical clearance 11.8'

Don A. Tilleman (Mason St.) - At mile 2.25
Double lift
Horizontal clearance 95'
Vertical clearance 32.6'

Canadian National Railroad Bridge - At mile 3.3
Left and right openings each 75'
Vertical clearance 8.3'
Normal position open - Unattended


From Dec 1st, 2018 - March 31st, 2019 the bridges may be contacted at the following numbers:

Main Street Bridge - 920.448.3322

Walnut Street Bridge - 920.448.3321

Mason Street Bridge - 920.448.3320

Canadian National Railroad Bridges - 920.572.0398 

Highway bridges permit vessels of 300 tons or more to transit at any time

For operation of RR bridges, contact Wisconsin Central Railway 24-hour customer service at 920.572.0398 or Bridge-tender at 920.436.5925.


  • 920.448.3535

    • 8:00 AM - 4:30 PM Monday - Friday

  • 920.492.3735

    • 4:30 PM - 8:00 AM Weekends & Holidays


Except on Sundays and legal holidays, the draws of bridges will not be required to open from 7:00 AM to 8:00 AM and from 12:00 Noon to 1:00 PM and from 4:00 PM to 5:00 PM, provided that the draws shall be opened promptly at all times for the passage of vessels carrying United States mail, vessels belonging to the United States, vessels of 300 short tons or over-cargo capacity engaging in commercial transportation and their attendant towing tugs and tugs of fire boats when responding to emergency calls.

There may be special port closures for events such as Celebrate Americafest on the 4th of July when no lifts shall occur.  Problems with the 22 fixed span bridges and the 5 pedestrian bridges should be reported to the emergency numbers listed above.  Boat docks or pier problems at the Green Bay Metropolitan Boat Launch located at 90 Bay Beach Road should be reported to the above emergency numbers