Ask anyone who rides or walks the Lake Monona Loop as part of their regular week what changed this summer, and most will mention detour signs near the causeway. Fewer will mention that the signs aren't marking a short-term inconvenience. Since July 14, the Capital City Trail has been closed between South Broom Street and East Lakeside Street, cutting the causeway crossing that has always been what made the Loop a loop. The city's own language on the closure is blunt: there is no pedestrian access across the causeway. Riders and walkers are routed around Monona Bay instead, using a combination of the Wingra Creek Path, bike boulevards, and the Brittingham Park Path.
That reroute is expected to stay in place until roughly summer 2027. For a route Monona residents have treated as a single connected 13-mile ring around the lake, that's not a detour so much as a redrawing of the map for the better part of a year.
What actually broke, and why "detour" undersells it
The closure is part of the John Nolen Drive reconstruction, a $42 million rebuild of the causeway and its six bridges that started in October 2025. The project is narrowing the roadway with a raised median to slow traffic, and it's moving the Capital City Trail farther from the road with three new bike and pedestrian bridges, plus separated paths for cyclists and walkers once the work is done. That's a real long-term upgrade. It's also why this isn't a weekend closure. The city has walked the timeline through three stages: temporary median work in late 2025, a shift to the current northbound lanes through the winter and into summer 2026, and now, as of mid-July, the third stage, where traffic has moved onto the newly built southbound lanes while the northbound side gets rebuilt. The Capital City Trail closure between Lakeside and Broom stays in effect through that whole third stage, which is the one running now.
The detail worth sitting with: this project is the first of three planned phases. Later phases extend from East Lakeside Street toward the Beltline. Whatever reconnects next summer isn't the finish line for construction on this corridor. It's a pause between phases.
The Loop is now two separate rides
For most of 2026, there hasn't been one Lake Monona Loop. There are two.
On the Monona side, the ride still works the way it always has. Starting from Grand Crossing Park, riders and walkers can head south along the water past Schluter Beach, where the free ebike kiosk and public parking sit across from Monona Bait, then continue on toward Winnequah Road and the Yahara River crossing at Bridge Road, the same stretch that's always fed evening traffic toward Breakwater and Buck & Honey's for a lakeside dinner. None of that changed.
What changed is what happens when a rider tries to close the loop by continuing north across the causeway into Madison. That connection is gone until the reroute lifts. Anyone trying to complete the full ring this year has to backtrack and pick up the detour, which swings west through the Wingra Creek Path and Brittingham Park rather than hugging the shoreline the way the original route did. It's a longer ride, on different streets, past different scenery, and it doesn't reconnect to the lakeside path until well past where the causeway used to carry riders straight across.
In practice, most regulars aren't doing that. They're doing an out and back on whichever side of the lake they started on, and calling it a day. Machinery Row Bicycles, which sits along the trail closer to downtown, remains the go to for a rental or a repair before heading out, but even a fresh rental doesn't undo the fact that the two halves of the lake no longer connect on foot or by bike.
What a severed causeway means for the businesses at the end of it
Here's the part that doesn't show up on a detour map. Breakwater and Buck & Honey's, the two waterfront restaurants that anchor the Monona side of the route near Grand Crossing Park, used to sit on a through route. Riders coming from the isthmus side of Madison could complete the loop and land there as part of a longer ride. That's foot and bike traffic that doesn't originate in Monona at all, it's generated by the connectivity of the full 13 miles.
With the causeway closed to pedestrians and cyclists, that through traffic doesn't exist right now. Anyone eating at those restaurants this summer largely started their ride or walk on the Monona side to begin with. It's a smaller, more local crowd by geography, even if the tables are just as full. That's not a complaint about business, it's a fact about what "the Loop" currently means for the people who use it. The route that used to connect two sides of the lake now serves each side on its own.
The market that filled the summer, and what comes after it
While all of this was happening, Monona was also building a brand new habit. The Yahara River Night Market debuted at Grand Crossing Park on May 21, its first appearance after Monona Parks and Recreation had been planning it for a few years. It's run on a biweekly Thursday schedule through the end of September, six to nine in the evening, with vendors selling produce, crafts, and grab and go food along the river. Sixteen vendors turned out for that first night, and turnout has stayed steady since, with Below Deck Concession Stand keeping the lawn games and scoop stand running on the same schedule.
That means the market is now in its final stretch. A handful of Thursday dates remain before it wraps for the season, and Monona Parks and Recreation already has a Fall Festival marked on the calendar for October 10. The seasonal handoff from market nights to fall programming is happening on schedule. The trail closure is not on that kind of schedule. It's easy to let the two blur together, since both changed how people move through Grand Crossing Park this year, but only one of them resets when the calendar turns.
What to actually expect through the winter
If you've been treating the Capital City Trail closure as something that'll quietly resolve itself before the leaves are back on the trees, it's worth resetting that expectation. The reroute around Monona Bay is the walking and biking reality for this fall, this winter, and into next summer. The causeway won't carry pedestrian or bike traffic again until the third stage of construction wraps, and even then, the two remaining phases of the John Nolen Drive project mean the corridor stays a live work zone for years past that.
For now, the practical move is simple. Check the city's project updates before you plan a long ride, treat the Monona side and the Madison side of the lake as two separate outings rather than one connected loop, and don't expect the shoreline route you remember from a couple of summers ago to come back exactly as it was, since even the finished trail will sit farther from the road than it used to.
None of this changes what makes an evening at Grand Crossing Park or a dinner at Breakwater worth the trip. It just means getting there looks different than it did last year, and will keep looking different for a while yet.
If you're weighing what a home near the water is actually worth once you factor in things like this, from trail access to seasonal foot traffic to what's changing on a specific block, that's the kind of on the ground read Husky Homes builds into every conversation with Monona homeowners. Request a Free Home Valuation and we'll walk you through what we're seeing on your street right now.
