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Johnson County staff recommend temporary weight limits for Metcalf Avenue bridge after foundation damage discovered
Summary
County public works officials told commissioners that a 32-year-old bridge on Metcalf Avenue over the Union Pacific Railroad has foundation degradation; staff recommended posting reduced weight limits and coordinated with emergency services while repair planning continues.
A county public works official told the Johnson County Board of County Commissioners on Jan. 30 that inspections found foundation degradation at the Metcalf Avenue bridge over the Union Pacific Railroad and staff will post a reduced weight limit until repairs are completed. Public Works Manager Jeff Vose said the structure is otherwise in good shape and that consultants are preparing a repair plan.
Why it matters: The bridge carries local traffic near 200th and 7th Street and the county says signage is required under state statute and federal regulation for regulatory sign postings. Commissioners pressed staff on where advance warning signage will be placed and how the posting could affect large vehicles and construction traffic in a developing corridor.
Public Works described the posting and coordination. "While the structure is safe for the majority of users until repairs are completed, it is necessary to post the bridge for a reduced weight limit," Jeff Vose said. He told the board the Manual on Uniform Traffic Control Devices (MUTCD) requires postings on the bridge and that future MUTCD updates are expected to allow or require advance postings.
Commissioners raised practical concerns about motorists and truck drivers who approach the bridge without advance notice. Commissioner Brewer asked whether trucks previously had any posted limits and whether the change would affect construction traffic for nearby development; Vose said there had been no prior weight limit signage and that standard delivery trucks will not be affected. "Your standard delivery truck is not gonna be impacted by this at all," Vose said.
On duration and repairs, Vose said the posting is temporary but could last several years because of the complexity of repair work near the railroad. "Once we complete the repair of the structure, we'll be able to remove that weight limit," he said, adding repair timing could be "temporary long term temporary, maybe 3 to 5 years." The county said it has coordinated the posting with local fire departments and the sheriff's office.
Board direction and next steps: Commissioners did not adopt a final resolution during the review; staff said they will post signs as required, proceed with consultant work, and return to the board with formal agenda items for resolution adoption and repair authorizations as needed.
Ending: The county continues design work and safety coordination; commissioners asked staff to monitor signage placement and possible advance-warning implementation once statewide MUTCD guidance changes.
