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Iowa 78 Bridge Replacement, Keokuk County

About the Project

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Project description

TThe Iowa Department of Transportation is requesting public input for the proposed replacement of the Iowa Highway 78 bridge over the Dakota, Minnesota and Eastern Railroad, about 2.5 miles west of the city of Richland in Keokuk County, and on the proposed detour route. The project will replace the existing 292 foot x 26 foot continuous I-beam bridge with a 467 foot 2 inch x 40 foot continuous welded girder bridge.

Construction is expected to occur during the 2022 construction season.

During construction through traffic would be detoured using Keokuk/Jefferson County Road V-63, Jefferson County Road H-17, and Iowa Highway 1. It is anticipated the detour will be in place for the majority of the construction, except for the lanes crossing the bridge over the railroad (Iowa 78 mile marker 8.8). Local traffic will have access to Iowa 78 during the planned closure.

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Project contact

Hector Torres-Cacho, transportation planner
Iowa DOT District 5 Office
205 E. 227th Street
Fairfield, Iowa 52556

Deadline for receipt of comments is Aug. 20, 2020; however, all correspondence received after this date will be included in the project files and reviewed as the project is developed. To submit a comment online about this project, go to:

Iowa DOT ensures nondiscrimination and equal employment in all programs and activities in accordance with Title VI and Title VII of the Civil Rights Act of 1964 and other nondiscrimination statutes. If you need more information or special assistance for persons with disabilities or limited English proficiency, contact Iowa DOT Civil Rights at 515-239-1111 or by email at
Iowa bridge