The best resource for Coronavirus Updates and Preparedness in Nevada County at Click here to link to the Mayor's Message.

SR 89 Mousehole Improvement Project

Press Enter to show all options, press Tab go to next option

SR 89 Mousehole UPRR

Undercrossing Improvement Project

Curious about the Mousehole? Below, Drill Tech explains and documents how the Mousehole pedestrian "box" was pushed through the Union Pacific Railroad under crossing


 Original Mousehole

 Mousehole 2

Completed Mousehole with new undercrossing

Mousehole Truck


The design and construction of the project was approximately 13 million. 


The construction of the Undercrossing Improvement Project was completed Summer 2016.


If you have any questions regarding this project, you may contact Becky Bucar, Engineering Manager, at (530) 582-2932 or

Free viewers are required for some of the attached documents.
They can be downloaded by clicking on the icons below.

Acrobat Reader Download Acrobat Reader Flash Player Download Flash Player Windows Media Player Download Windows Media Player Microsoft Silverlight Download Microsoft Silverlight Word Viewer Download Word Viewer Excel Viewer Download Excel Viewer PowerPoint Viewer Download PowerPoint Viewer