US 41 expansion Winnebago County, interchanges- Wisconsin Department of Transportation

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US 41 expansion

US 41 expansion, Winnebago County - interchanges

Seven interchanges will be improved as part of the US 41 expansion project.

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WIS 44 interchange

Improvements include:

Upgrading the existing interchange with improved turn lanes on WIS 44 and at ramp ends.
Lengthening on-ramps for future ramp metering.
Reconstructing the County K (20th Avenue) bridge over US 41, including bicycle/pedestrian accommodations.

WIS 44 interchange (north half), WIS 44 to 9th Avenue (1.8 MB)

WIS 44 interchange (south half), Ripple Avenue to WIS 44 (725 KB)

9th Avenue interchange

Improvements include:

Reconstructing the interchange to a tight diamond configuration with improved turn lanes on 9th Avenue and at ramp ends.
Reconstructing the 9th Avenue bridge over US 41.
Slightly relocating the east frontage road (Koeller Street) to accommodate the new northbound on-ramp.
Lengthening on-ramps for future ramp metering.
Reconstructing the County E bridge (Witzel Avenue) over US 41, including bicycle/pedestrian accommodations.

9th Avenue interchange (725 KB)

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WIS 21 interchange

Improvements include:

Reconstructing the existing interchange using a tight diamond configuration with roundabouts on WIS 21 and at ramp ends.
Reconstructing the interchange so that WIS 21 passes over US 41 (US 41 currently passes over WIS 21), including bicycle/pedestrian accommodations.
Shifting US 41 lanes west to accommodate the new roadway location across Lake Butte des Morts.
Shifting WIS 21 south to minimize property impacts and environmental impacts to Lake Butte des Morts.

Witzel Avenue to WIS 21 (2.1 MB)

Lake Butte des Morts Causeway

Improvements include:

Widening the existing causeway to the west.
Providing three through lanes and an auxiliary lane in each direction (to address problems with blowing/drifting snow and make it possible to keep two lanes of traffic open in each direction during construction).
Providing bicycle/pedestrian trail across Lake Butte des Morts just east of the northbound lanes. Two fishing paths to Lake Butte des Morts will also be provided.

Lake Butte des Morts bridge (732 KB)

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US 45 interchange

Improvements include:

Reconstructing the interchange to provide free-flow movements from northbound US 41 to northbound US 45 and southbound US 45 to southbound US 41.
Constructing US 45 to pass over US 41 (US 41 is currently passes over US 45).
Roundabouts at US 41/45 southbound exit ramp terminal and US 45/Fernau/Lake Butte des Morts Drive.
Lengthening on-ramps for future ramp metering.
Shifting US 41 west to avoid electric substation.
Constructing a new bridge over US 41 to connect the Wiouwash Trail east of US 41 to Lake Butte des Morts Drive.
Constructing a new bridge over US 41 to connect West Snell Road east of US 41 to Fountain Avenue west of US 41.

US 45 to Fountain Avenue (2.6 MB)

WIS 76 interchange

Improvements include:

Upgrading the existing diamond interchange with improved turn lanes on WIS 76 and at the ramp ends.
Lengthening on-ramps for future ramp metering.

WIS 76 interchange (903 KB)

Breezewood Lane interchange

Improvements include:

Reconstructing the interchange with a tight diamond configuration and improved turn lanes.
Reconstructing the existing Breezewood Lane bridge over US 41, including bicycle/pedestrian accommodations.
Lengthening on-ramps for future ramp metering.

Breezewood Lane interchange (1.3 MB)

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