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Published April 7, 2026 at 8:00 PM
Updated May 21, 2026
Site work for a bridge / tunnel in Keystone, Iowa. Working plans call for site work for a bridge / tunnel.
On 16 Ave, Over Spring CK, S30 T86 R11 As of April 07, 2026, the project is in Final Planning status. Anticipated letting Year is 2026. IADOT - RCB Culvert New - Twin Box on 16 Ave *Project information has been obtained through a public state transportation improvement plan (STIP). A STIP is a financial schedule for short- and long-range projects which is updated regularly. Information listed in the STIP often evolves based on funding availability. The project details, including timeline and value, are subject to change. The content management team will continue to pursue additional details as they become available.
Final Planning
Bridges / Tunnels
$375,000.00
Public - State/Provincial
Site Work
Plans and Specifications are not available for this project. If that changes, they will be made available here.
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July 6, 2026
16th Ave, Keystone, IA
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