Rehabilitate Mores Creek Bridge

Rehabilitate Pier 4 footing (including pressure grouting and rock armoring), expansion joint and bridge deck, install guardrail,  bridge railing,  seismic restrainers, bearing cap extension, and paint steel truss superstructure.


  • Cost: 3,200,000
  • Owner: ITD
  • Designer: HDR
  • Construction Period: 10/2011 - 11/2011

Arrowrock Dam Outlet Works Rehabilitation

Arrowrock Dam 01Construct a new gatehouse structure, control building, access stairway, and hydraulic control system,  install new steel liners in  existing concrete conduits, remove ten 58″ existing ensign valves,  fabricate and install  seven (7) 48” and three (3) 66” clamshell gates, install gate guides, trashracks,  bulkhead stoplogs, bubbler deicing system and other ancillary work.



  • Cost: 11,589,000
  • Owner: USBR
  • Designer: USBR
  • Construction Period: 08/2001 - 04/2004

Deer Flat Dam Outlet Works Rehabilitation

Excavate into earth embankment dam and emergency berm at the Caldwell outlet works to demo, remove and replace the existing concrete outlet structure. Work included installing sheet pile cut off wall, and new earth embankment section. Constructing, furnishing, and installing of deepwell dewatering system and new electrical supply system for gate operation in outlet works. Excavate the Nampa outlet conduit to construct a new conduit and toe drain pipe, modify the filter collar, and plug one conduit.





  • Cost: $ 6,487,000
  • Owner: Bureau of Reclamation
  • Designer: Bureau of Reclamation
  • Construction Period: 11/2007 - 02/2009

Cole to Broadway Soundwalls

05 Final Grading


Construct a precast concrete panel soundwall on three separate segments of Interstate 84 from Cole Rd. to Broadway Ave westbound, includes over 10,000 LF of drilled shaft foundations 16′ to 28′ deep and 4000 CY of reinforced concrete to support the precast soundwall post and panel system, property restoration, cast-in-place guard rails, final grading and paving. 


  • Cost: $ 9,534,000
  • Owner: ITD
  • Designer: ITD
  • Construction Period: 03/2008 - 01/2009