US-30: Dry Creek Bridge Replacement Project

The Dry Creek Bridge

The bridge was originally constructed in the mid-1930s, allowing roadway users to traverse Dry Creek. It is located down-stream of the Murtaugh Lake Dam and upstream of the confluence of the Snake River.
 
Old Bridge Facts:
17 ft rise
60 ft long
26 ft wide
Roughly 90 years old
239.5 cubic yards of concrete
37,983 lbs of steel

New Bridge Facts:
111 ft long
38 ft wide
243 cubic yards of prestressed concrete
50,621 lbs of steel


Dry Creek is part of the Twin Falls Canal Company system and hosts an emergency spill way for the Murtaugh Lake Dam. This spillway helped determine the maximum flows the bridge was designed for.

A public meeting was held in February 2025