Ride from the Willow Creek side of town toward the American River and the trail does something odd right before you hit the freeway. It stops. Not fades into gravel or narrows into a sidewalk. It just stops, and the only way to keep going is to merge onto East Bidwell Street, ride past the on-ramps and off-ramps of Highway 50, and pick the trail back up on the other side.
Ask anyone at Trek Bicycle Folsom about this and they will not need clarification on which gap you mean. There is only one. Folsom has built out one of the more extensive paved trail systems in the region, something north of 80 miles when you count every connector and creek-side loop. But that number has always described two separate networks, not one. Roughly 50 miles of it sits north of Highway 50. Roughly 30 miles sits south. The only place they meet is a stretch of surface street that riders have been tolerating for years because there was no other option.
That is changing, and it is changing on a schedule specific enough to plan around.
The Overpass Everyone Already Knows
The workaround has a name among locals: the East Bidwell overpass. It runs parallel to Placerville Road, which is also where both trail systems dead-end, and it is the only way to move between them on two wheels. It was never built for that purpose. It is a car corridor that cyclists share by necessity, merging traffic and all.
City officials describe the fix in terms of what it finally allows rather than what it removes. As CBS Sacramento reported, a Folsom transportation staffer said the new undercrossing "allows cyclists that want to go from, say, the American River Bike Trail all the way to White Rock Road and into El Dorado County." That framing matters. This isn't a shortcut. It is the first time the city's trail spine will function as one continuous system instead of two halves joined by a traffic merge.
What the City Actually Approved
In December 2025, the Folsom City Council voted 5-0 to move forward with a Class I trail undercrossing beneath Highway 50, running parallel to Placerville Road. Class I means a fully separated path, no shared lanes, no painted bike symbol on a traffic lane. The council approved a $497,312 design contract with the engineering firm Wood Rodgers to get the project into construction-ready shape.
The project isn't just a tunnel. City documents describe three components bundled together: the undercrossing itself, safety upgrades to the existing Class I trail between Highway 50 and Iron Point Road (including better crosswalks at East Bidwell and Iron Point), and pavement rehabilitation along Placerville Road from south of the Hampton Inn to McCarthy Way. Total construction is estimated around $2.2 million.
Funding for a project like this rarely arrives in one check, and this one is no exception. Back in August 2025, the Sacramento Area Council of Governments awarded Folsom $1,274,000 toward construction. That grant still needs to be formally programmed through Caltrans and the California Transportation Commission, a bureaucratic step the city has been working through since the council vote. Separately, the approach trail on the north side, a segment the city calls the Folsom-Placerville Rail Trail running roughly from Iron Point Road to Broadstone Parkway, already has its full funding locked in. That piece got a boost back in 2023 when SACOG fully funded it with a $1.7 million grant plus a $300,000 local match, pushing its total budget from $1.23 million to $3.23 million. That segment is currently moving from 30 percent to 60 percent design drawings.
To close the remaining funding gap on the undercrossing itself, the city applied for two more grant programs this year: an Active Transportation Program Cycle 8 application submitted June 22, 2026, and a Safe Streets For All application submitted May 26, 2026. Staff expect to hear back on both by the end of this year. If the money lines up on that timeline, construction is expected to start in summer 2027 and open later that same year.
Two Networks, One Ride
It's easy to hear "80 miles of trails" and picture one seamless system. The reality on the ground is closer to two separate systems that happen to share a name. Here's what changes once the undercrossing opens.
| Today | After the undercrossing (targeted 2027) | |
|---|---|---|
| North-south connection | East Bidwell overpass only, shared with freeway ramp traffic | Dedicated Class I trail, no vehicle interaction |
| Distance riders detour | About a mile of surface street | None, continuous paved trail |
| Trail systems linked | ~50 miles north, ~30 miles south, joined only by the overpass | One connected network |
| Folsom Ranch access | No direct Class I connection to the city's central trail network | First-ever direct link, per the city's own project description |
That last row is worth sitting with. Folsom Ranch, the community growing south of Highway 50, has never had a Class I trail connection into the rest of the city's network. Riders there either drive their bikes north or make the same overpass trip everyone else does. This project is described by the city as the first time that changes.
Other Trail and Park News Worth Knowing About Now
The undercrossing is the headline, but it isn't the only piece of trail and park infrastructure that moved this year. The Folsom Bike Park is back open after a stretch of closure, giving riders a dirt-jump and skills option that had been unavailable. And on June 30, 2026, the city held a grand reopening for Castle Park, a 2.1-acre neighborhood park at 201 Prewett Drive in the Willow Creek Estates South area, just south of Oak Chan Elementary. The renovation was community-led, with residents, volunteers, and donors turning out for the reopening event.
Neither of these is the undercrossing. But together they point to the same thing: 2026 has been a year of finished projects and funded next steps for Folsom's outdoor infrastructure, not just announcements that stall out.
The Part That Extends Past Folsom
The White Rock Road corridor gives a preview of what's coming once the gap closes. The city is already building two new segments of Class I trail along White Rock Road, one starting where the existing trail ends east of East Bidwell Street and connecting to a trail west of Savannah Parkway, and a second running from Empire Ranch Road to Stonebriar Drive, which crosses into El Dorado County. Those segments are moving forward independent of the Highway 50 undercrossing. Once the undercrossing connects the two halves of Folsom's trail system, the White Rock Road work becomes the next link outward, toward the county line rather than just across town.
For a city that already treats its trail network as a point of daily-life identity, closing this one gap does more than fix an annoying detour. It turns two half-networks into one, and it opens the first real Class I connection into the fastest-growing part of the city. That's a bigger deal than a single ribbon-cutting suggests, and it's the kind of infrastructure story that plays out in stages most residents only notice once the detour they've been riding around for years quietly disappears.
If you're weighing what neighborhoods like Folsom Ranch or the areas along the Humbug-Willow Creek system mean for daily life, not just resale value, that's exactly the kind of on-the-ground context Andi & Trent builds into every conversation with buyers and sellers across El Dorado County. Reach out for a free home valuation and consultation, and we'll talk through what a place is actually like to live in, not just what it's listed for.
