CO 21 (Powers Boulevard) Bridges

Project complete

The CO 21 (Powers) New Bridges over Briargate, Union, and Pinecreek project consists of placing six superstructures on SH 21 using a Design Build project delivery method.  All six superstructures are FIR (Field Inspection Review) level designed.  Currently, there are no structures over Briargate, Union, and Pinecreek, however, all the ramps are built with signalized intersection for these locations.

  • Structures at Briargate:  I-17-KG (North Bound) and I-17-KH (South Bound)
  • Structures at Union:  I-17-KV (NB) and I-17-KW (SB)
  • Structures at Pinecreek:  I-17-KX (NB) and I-17-KY (SB)