CO 90 Bedrock/Dolores River Bridge Replacement

Project Facts 

  • Contractor: SEMA Construction
  • Cost: $3.8 million
SH 90 Bedrock Bridge 2014The old, 1952 steel truss bridge

Bedrock 08.2017 017.jpgThe newly constructed bridge

In August 2017, CDOT completed the construction of the new Dolores River bridge on Colorado Highway 90, about four miles east of Bedrock and 15 miles east of the Utah-Colorado state line.

Crews dismantled the old truss bridge and replaced it with a new pre-cast concrete structure. The new bridge will provide several improvements for the driving public including wider and higher clearance for oversized vehicles.

A SEMA crew started work in December 2016 and completed the project in mid-August 2017. 


In the fall 2014, a crack was discovered in a beam of the original steel through-truss bridge. The damage forced the closure of the old bridge. A temporary bridge was constructed to allow single-lane, alternating flow of traffic controlled by a light signal.  

The Dolores River Bridge, a steel Pennsylvania through-truss bridge, was built in 1952. In 2002, the bridge was listed on the National Register of Historic Places for its architectural significance. The Dolores River Bridge is one of 10 remaining intact steel through-truss bridges statewide. Because of its historical significance, there is potential to have the old bridge relocated for use as a pedestrian/bike path structure.

Time Lapse

BEDROCK BRIDGE IS MOVED... very carefully to provide the opportunity to be dismantled piece by piece, in hopes of finding a new home.