SR-13 & SR-101 | Box Elder & Cache Counties | Bridge Work

Replacing two aging bridges on State Route 13 (SR-13) over Chase Slough in Box Elder County and State Route 101 (SR-101) over Little Bear River in Cache County.

Project Overview

The Utah Department of Transportation (UDOT) will replace the SR-13 bridge over Chase Slough in Box Elder County and the SR-101 bridge over Little Bear River in Cache County. This project will replace aging infrastructure and provide a smoother ride for drivers. Construction is anticipated to begin in spring 2027. Two-way traffic will be maintained on SR-13, with minimal nighttime closures. Northbound traffic will be maintained on SR-101, with southbound traffic to follow the detour along US-89/US-91 to SR-23 (Center Street).

Project Maps

Chase Slough Area Bridge Replacement (Box Elder County)

Map showing the bridge replacement location on SR-13 (Promontory Road) over the waterway labeled Black Slough River in Box Elder County, east of I-15 and just east of Old Airport Road.

Little Bear River Bridge Replacement (Cache County)

Map showing the bridge replacement location on SR-101 (Main Street) over the Little Bear River in Cache County, west of US-89 and south of 4700 South.

Project Timeline

Project timeline showing design from July 2026 through April 2027, followed by construction from May through December 2027.

live

Design: July 2026 - April 2027

The design process will wrap up at the end of April 2027.

planned

Construction: May 2027 - Dec. 2027

Construction is expected to begin in May 2027 and continue through Dec. 2027.

Contact Information

Hotline: 435-254-7714

Email: SR13andSR101bridges@utah.gov

Stay Informed

To receive project updates, please contact the public information team at the email address above and enter "Project Updates" in the subject line.

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