BRIDGE over the fox river INFORMATION:

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 - Closed for Maintenance Monday September 24 through Friday September 28, 2018.
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


The City of Green Bay operates the three lift span bridges across the Fox River during the shipping season. Bridges are usually tended from April 1st to December 1st.

For operation of Main Street Bridge, Walnut Street Bridge, or Mason Street Bridge call 920.492.3735.  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 920.572.6906 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