38 miles and 17 locks from Green Bay to Lake Winnebago
Locks are 35'x144' with 6' water over the sill. All bridges are wider than 35'.
Controlling vertical clearance is 32' at the Claude Allouez/WI32 Bridge at mile 7.3, but this may be reduced by two bridges for which vertical clearance data is unavailable.
(For comparison, most Mississippi locks are 110x600'; most modern barges are 35'x195' though 30'x120' barges do exist. The current locks on the Erie canal are 45'x328' with 12' of water over the sills)
http://www.charts.noaa.gov/PDFs/14916.pdf
https://www.portofgreenbay.com/bridges/
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R.M.[1]
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Green Bay
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0.5
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Leo Frigo Bridge/Tower Drive/I-43 fixed 119'
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0.8
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East River
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1.1
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RR bridge swing 7' normally open
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1.6
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Main st bridge 12' bascule [2]
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1.9
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Walnut st bridge bascule 11' or [3] 14.9[4]
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2.4
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Mason St/Tillman bridge 32.6' bascule
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3.4
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RR bridge 31' swing normally open
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5.0
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WI172 Fixed bridge 60'
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Fox point boat launch
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Perkofski boat launch
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7.1
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De Pere Lock hours 10-10
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7.3
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Claude Allouez Bridge WI32 fixed 32'
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7.5
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Bomier St Boat Launch
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Little Rapids/Wrightstown area 13-18
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13.1
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Little Kaukana lock hours 10-10
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reports of serious shoaling in this area
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17.1
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Broadway St Bridge bascule 16' BUT satellite
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shows a fixed bridge with very little clearance
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17.2
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Wrightstown Park Boat Ramp
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Near Broadway St Bridge about 1.5 miles from lock
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Kaukana/Appleton/Menasha area 19-24
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19.2
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Rapide Croche lock Closed to navigation
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22.8
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Kaukana 5 lock closed as of 2018
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23.1
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Kaukana 4 lock closed as of 2018
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23.2
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Kaukana 3 lock closed as of 2018
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RR bridge 14'
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23.4
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Kaukana 2 lock closed as of 2018
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23.6
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Kaukana 1 lock closed as of 2018
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Catherine St. Kaukana Bridge lift 4' inop possibly until 2021
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Fixed bridge WI55/Lowe St clearance unknown guess 20'
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24.0
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Guard lock
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25.4
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Combined locks Fri/Sat/Sun 11-9
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footbridge
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26.4
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Little Chute Fri/Sat/Sun 11-9
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bascule bridge 4' temporarily closed for construction
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26.6
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Guard lock
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Madison St fixed 54'
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27.3
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Cedars Lock Fri/Sat/Sun 12-8
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Tri-county expressway fixed 54'
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Appleton
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Appleton Locks 4-1 lock hours Fri Sat Sun 11-9
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Upstream lockage on the odd hour
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Downstream on the even hour
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30.7
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Appleton Lock 4
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Bridge East College 54' fixed
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RR swing 4'
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31.3
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Appleton Lock 3
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South Lowe St. Bridge 3' bascule
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31.6
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Appleton Lock 2
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South Olde Oneida St. Bascule 10'
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South Oneida St. bridge Fixed 54' Skyline bridge
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31.9
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Appleton Lock 1
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South Memorial Dr US10 bridge fixed 54'
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Little Lake
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Tri county expressway bridge. Under construction.
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Fixed. Cl 54' old span. New span reported 51.8'
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Ninth St. Boat Launch
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37.0
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Menasha Lock CLOSED TO NAVIGATION
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Footbridge adjacent to lock (not on Navionics) (Bascule 3')
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Valley Marine Mart ramp
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RR bridge bascule 3'
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Tayco St bridge bascule 7'
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Marina
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Bascule bridge 3'
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Lake Winnebago
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- ^ River Miles for locks are per NOAA. Others are approximate since there is no officially published channel line.
- ^ Main St., Mason St., and Mason St. bridges contact 920.492.3735 for operation
- ^ NOAA, Navionics
- ^ Port of Green Bay