Jamestown valley gutter repair to begin Thursday at northeast intersection
Traffic at 4th Avenue and 18th Street Northeast was set to slow for about a week as Jamestown crews replaced a valley gutter while keeping the intersection open.
Drivers through northeast Jamestown were facing slower trips at 4th Avenue and 18th Street Northeast as the city began valley gutter replacement work Thursday and told motorists to use alternate routes if possible. The intersection stayed open, but the city warned that traffic could be affected while crews worked in the roadway.
A valley gutter helps carry runoff where streets meet, protecting the pavement and drainage system at the corner. That makes the work more than a surface patch. It is the kind of repair that helps keep water moving away from the street and can prevent more serious damage from building over time.
The city said the project should last about one week or until the work is complete. For homes, businesses and delivery traffic around the northeast intersection, that means the disruption is expected to be short, but close enough to affect daily travel, especially for anyone crossing that stretch on the way to work, appointments or school routes.
The project falls under the Jamestown Engineering Department, which oversees design, inspection and coordination of infrastructure repair and construction projects across the city. Jamestown has also been active on other street and utility work this spring, including a temporary road closure on 4th Ave NW on May 18 for a water main replacement project. Last June, the city posted a similar valley gutter replacement notice for 10th Ave and 23rd St SW, where the intersection also remained open but traffic was affected for about a week.
The northeast repair also fits into a larger pattern of street investment along 4th Avenue. In October 2025, the city held a public input meeting on proposed 4th Avenue East improvements from 10th St SE to 5th St NE, a corridor project that includes full-depth pavement reconstruction, mill and overlay, concrete pavement repair, ADA curb ramps, signal replacements, sidewalk reconstruction, curb and gutter repair and drainage enhancements.
Jamestown, the county seat of Stutsman County, sits in a county that says it has 21,593 residents and is the second-largest county in North Dakota by area. In a regional hub built around a tight street grid, even a one-week maintenance job at a single intersection can ripple quickly through neighborhood traffic patterns.
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