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Chickasaw County approves Iowa DOT agreements for U‑56 overlay and bridge projects
Summary
The board approved a federal Surface Transportation Block Grant agreement for a concrete overlay on U‑56 (federal share described as $1.81 million or 80% of construction cost) and approved a bridge deck overlay agreement estimated at about $232,000; short, scheduled road and bridge closures were discussed.
Chickasaw County supervisors on May 10 approved two Iowa DOT agreements for road and bridge work: a Surface Transportation Block Grant (STP) agreement for a concrete overlay on U‑56 and a bridge deck overlay agreement for Bridge 1810.
The county engineer described the U‑56 concrete overlay project and presented the federal aid agreement (STP‑SD‑CO19126‑5E). The engineer summarized the federal contribution as "$1,810,000 or 80% of project construction cost, whichever is less" and recommended signing the county signature block. The board approved the agreement.
On bridge work, the engineer presented a county highway bridge project (BHS CO 19127‑63‑19) for Bridge 1810, a deck‑overlay project scheduled for the following year with an estimated cost of about $232,000 to be paid from the county highway bridge program. The board approved that agreement as well.
The engineer also reviewed a separate set of short closures and overlay repairs: a contracted quote of $49,088.77 was approved for three small bridge overlay repairs (Bridge 3090, Bridge 1620 and a bridge south of Bassett) with each closure expected to be under 48 hours and not requiring a detour. The engineer explained timing, access constraints and the need to coordinate with DOT on utility relocations and wetlands at other larger projects.
Why it matters: these approvals move forward federally funded and county bridge projects that affect travel and local maintenance schedules. The U‑56 pipeline overlay is largely federally supported but will require local administration; the bridge work includes unavoidable short closures that the engineer said would be limited to short windows and scheduled for low‑traffic periods.
What’s next: staff will execute the DOT agreements with county signatures and coordinate contractor scheduling and public notifications for planned closures.
