Boulder County Public Works is soliciting bids from qualified and experienced contractors for the manufacturing and delivery of a 8-foot wide by 4-foot-high precast concrete box culvert as specified in the 63rd at Boulder and Lefthand Ditch Minor Structure Replacement Engineering Plans.

The precast concrete box culvert is to be delivered near 4371 N. 63rd Street in unincorporated Boulder County, within the N. 63rd Street road right-of-way, and during a full road closure with local access to the project site. Coordination and scheduling with Boulder County’s Road Maintenance Division will be required prior to delivery.

The Colorado Department of Transportation 2025 Standard Specifications for Road and Bridge Construction controls the construction of this project.

Submittal Instructions BID-179-25