Biannual inspections find 10 structures need structural review; staff estimates about $3,000 per bridge
Summary
Highway staff told the committee that a recent biannual inspection covered 153 bridges in Dunn County and nearby municipalities; about 10 require follow-up structural reviews, with county-owned bridges among them and an estimated $3,000 review cost per structure.
Highway staff summarized the county's biannual bridge inspections at the Aug. 12 meeting, saying consultant KBIS completed reviews of 153 structures across Dunn County's jurisdictions and that roughly 10 bridges will require structural follow-up. "Of the 153, I believe 76 of them are county and the rest are all municipalities," the agency official said. The official said about six of the bridges needing structural review are county-owned.
Staff estimated each structural review will cost roughly $3,000 and cautioned that replacing deficient bridges will be difficult given limited funding. "On average, probably about $3,000 per bridge is what it's gonna take to do a structural review," the agency official said. The committee heard that the County Road B/Cedar Falls bridge inspection will require a temporary shutdown of that road for the inspection and cleaning on the scheduled date.
Staff said final designs for a number of bridge projects remain in progress and that the department will consider applying for change-management funds if construction bids exceed allocations. Committee members asked about guardrail and shoulder changes tied to safety reviews and staff said DOT recommendations include centerline rumble strips, widened paved shoulders and signage as part of mitigation.
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