Replacement and expansion of existing SH 36 to a 4-lane concrete roadway.

Construction of four (4) direct connector ramps from the Sam Houston Tollway East to State Highway 225.  Widening of mainlanes and frontage roads for State Highway 225.

FM 723 is a roadway widening project consisting of a current configuration of one lane each direction, which when complete will be two lanes each direction in concrete paving.  The project consists of concrete paving, drainage, and bridge work.

Segment 105 runs 7.8 miles along White Oak Bayou from 1960 to Hollister Rd. and is comprised of replacing drainage, reshaping, and protecting slopes from erosion by rock and concrete placement, and constructing trails for the community to use for recreation.

Widening of FM 1463 From I-10 to FM 1093

 Scope of work to include sizable underground improvements, electrical improvements, one bridge, sound walls, flatwork (sidewalk and ramps) and grading and paving.

Zachry Construction will be widening State Highway 36 to a four-lane divided highway with drainage improvements, retaining walls, and constructing three new bridges.  

In October 2017, Zachry Construction Corporation and Traylor Brothers, a firm that specializes in bridge structure, was awarded a three-phase cable-stayed bridge contract by the Harris County Toll Road Authority (HCTRA) to build the Houston Ship Channel bridge. The joint venture between Zachry and Traylor, the Ship Channel Constructors (SCC), began work in January 2018.

In January 2022, SCC continues construction of an updated design by COWI, which calls for a steel-composite cable-stay suspension bridge which eliminates the need for pylon structures and accommodates ongoing dredging projects to improve the waterway.

The overall Grand Parkway project, or SH-99, is the biggest single design-build contract that Texas Department of Transportation’s (TxDOT) ever awarded. The project consisted of 184-mile controlled-access tolled highway crossing seven counties in the Greater Houston area. Zachry Construction Corporation led a joint venture partnership to design and build Segments F-1, F-2 and G.

The joint venture team challenged its design and construction members to develop and design a project approach that is innovative and tailored to meet TxDOT’s needs. The result is a value-added concept that brings technical solutions and cost reduction through the implementation of alternative technical concepts (ATC).

The project’s scope of work on Segments F and G involves design, construction, utility relocations, right-of-way (ROW) acquisition and five- to 15-year capital maintenance options.

Major quantities include 38 miles of divided two-lane highway, more than 120 bridges, one river crossing (San Jacinto River), 1.8 million square yards of concrete paving, frontage roads and associated drainage, as well as several hundred existing utility relocations. In order to construct the highway, 435 parcels of land encompassing more than 2,100 acres were acquired through the ROW process. Once complete, these segments of the Grand Parkway extend from US 290 to US 59, connecting with four major interchanges: US 290, SH 249, I-45 and US 59.

The segments of SH 99 improve access to the George Bush Intercontinental Airport, the Hardy Toll Road and the new ExxonMobil campus for the hundreds of thousands of Houston-area residents who travel these routes daily — all while providing a safer experience for everyday and emergency situations.

Zachry was awarded two Harris County Toll Road Authority (HCTRA) projects to widen and reconstruct southern portion of the Beltway 8 (BW8) tollway facility. Both projects widen the toll road from Southwest Freeway (US-59) to the north side of the Houston Ship Channel. This first project (Contract 338) begins South of Spencer Highway to North of Greenshadow Drive along the Sam Houston Tollway East. The second project (Contract 346) begins North of Greenshadow Drive and continues to Jacinto Port Road.

Scope of work included concrete paving, bridge construction, drainage improvements, mechanically stabilized earth walls, water and sewer relocations, toll booths, high mast lightings and sound walls. These projects were a continuation of the ongoing HCTRA program to widen all of BW8 to at least three lanes in both directions.