Completed in 2026 by Southland Contracting, the Mill Creek/Peaks Branch/State Thomas Drainage Relief Tunnel Project construction and scope of work includes tunneling, 17,050 linear feet of 30-inch diameter concrete lined drainage tunnel that goes through 45-foot long transition (continues as a 30-foot by 30.5-foot horseshoe tunnel), 9,290 linear feet with five shafts ranging from 11-feet to 25-feet in diameter, one 40-foot diameter outfall shaft, and four major intake structures.
Project Details
- Owner: City of Dallas | Water Utilities Department
- Location: Dallas, Texas, United States
- Performed as: Southland Contracting, Inc.
- Project value: $221,606,060.00
- Completion Date: October 2026