Rapid City - Anamosa Street Bridge I-190

Project Summary:

The project consists of:
- Replacing aged structure with weight restrictions
- Replacing and improving intersections at both ends of the bridge
- Reducing light pollution in communities adjacent to Interstate 190

The purpose of this project is to replace the Anamosa Street Bridge over Interstate 190 due to aging and weight restrictions. There will be luminaires replaced along the I-190 corridor that will provide reduced light pollution for the surrounding neighborhoods. A small section of concrete paving will occur on the north end of the I-190 structure and North Street including a barrier wall and glare screen.

Project Timeline:

Spring 2024 - July 2025

Project Pedestrian Detour:

Project Updates:

July 22, 2025:

July Completed Work: The contractor removed the temporary pedestrian bridge and footings. Traffic was moved out of two-way traffic onto their respective sides of I-190. They removed the south crossover on I-190 and began installing the curb and gutter with raised median. The membrane and compression seals were installed on the Anamosa bridge and only pavement markings are required to open to traffic. Painting operations have begun for the girders on the Anamosa bridge. The contractor continued working on punch list items.

Anticipated Work in August: The Contractor will complete the removal of both crossovers at each end of the project and reinstall raised median and barrier walls. They will begin removal and installation of the final light poles on I-190 and installing pavement markings. They will continue working on punch list items. Anamosa bridge will be open to vehicle traffic. Removal of traffic control on Omaha Street and West Boulevard will be complete.