Structural

SH 288 Bridge Improvements TxDOT | Brazoria County, Texas TxDOT awarded a statewide indefinite deliverable contract for bridge engineering to Binkley & Barfield | DCCM for bridge engineering services. For work authorization no. 1, Binkley & Barfield | DCCM was awarded a project in Brazoria County to prepare plans, specifications, and estimates for bridges at three intersections along SH 288. The project required the design of new overpass structures at the intersection of SH 288 at CR 57 and CR 64, the widening of an existing structure at SH 288 and CR 56, and two frontage road creek-crossing bridges. The structural designs ranged from TxDOT standard multi-column TxGirders for stream crossing, green ribbon overpasses with U-beams and inverted tees with skews, to modified details with TxGirders. The designs dealt with utility conflicts, wetland and stream impacts, skews, and embankment settlement mitigation. We provided bridge layout plan sheets for each bridge and a comparative cost analysis. The team set bridge spans and limits for optimum beam design and vertical clearance. CR 57 Constructed new location CR 57 cross-street bridge (Binkley & Barfield | DCCM) Added ramps Added auxiliary lanes Constructed two frontage road bridges CR 64 Constructed new location CR 64 cross-street bridge (Binkley & Barfield | DCCM) Added ramps Added auxiliary lanes CR 56 Widened the existing CR 56 bridge (another consultant) Added frontage roads Added auxiliary lanes Design aspects of the project included survey, geotechnical, bridge design, roadway, drainage, environmental, and subsurface utility engineering. As prime provider of the project, Binkley & Barfield | DCCM held an e-mail version of the design concept conference prior to the 30% submittal. The project milestones were 30%, 60%, 90%, 95%, 100%, and final. Binkley & Barfield | DCCM’s engineers coordinated closely with the adjacent segment engineers to assure continuity of design across segment lines. Binkley & Barfield | DCCM presented several typical section options to TxDOT prior to beginning the design to ensure TxDOT needs were prioritized. The chosen roadway section included a 16-foot median, four 12-foot lanes, two 12-foot shoulders, and a 5-foot, 6-inch sidewalk with C223 rail. The overall roadway width is 103 feet. The project included the conversion of two-way frontage roads into one-way operations. The Binkley & Barfield | DCCM team used Atlas 14 to determine the width of the floodplain for the frontage road bridges over West Fork Chocolate Bayou at CR 57

IH 35 at Ronald Reagan Boulevard Bridge Williamson County/TxDOT | Williamson County, Texas The project included schematic development and plans, specifications, and estimates for the realignment of Ronald Reagan Boulevard into a divided roadway with two one-way alignments and included the removal of the existing two-way bridge over IH 35, construction of two new one-way bridges over IH 35, while continuing to provide connectivity to CR 247 and CR 311. Ronald Reagan Boulevard improvements started 2,300 feet west of IH 35 and proceeded east to IH 35 and continued east for 500-feet. Beginning at CR 247, the new Ronald Reagan Boulevard tapers to a divided roadway (two lanes in each direction); one-way east and westbound alignments with paved shoulders. In the future, Ronald Reagan Boulevard will be widened to four lanes from SH 195 to CR 247, providing a major artery from Georgetown to IH 35. The project included new safety lighting, retaining walls on IH 35 for the new bridge abutments, construction of auxiliary lanes on IH 35 under the new bridges, and drainage improvements along Ronald Reagan Boulevard, the frontage roads, and IH 35 mainlanes. The offset distance between the east and westbound alignment of Ronald Reagan Boulevard also provided an adequate span for future freeway construction and additional widening of Ronald Reagan Boulevard. Public involvement, utility coordination, private land and business owner, City of Jarrell, emergency service providers, TxDOT, Williamson County, Federal Highway Administration, Texas Commission on Environmental Quality, and other stakeholder coordination was an important key to project success.

Brays Bayou Federal Flood Control, Multiple Channel Improvements, and Bridge Replacements Harris County Flood Control District | Houston, Texas Binkley & Barfield | DCCM was contracted by HCFCD to provide engineering services for three separate projects for Brays Bayou. Channel Modifications, Discrete Segment 109 – Binkley & Barfield | DCCM evaluated the impact of the proposed channel widening to the existing foundation of eight bridges. Binkley & Barfield | DCCM also designed the soil nail and gravity retaining walls to protect the bridge abutments and stabilized the bayou banks. Additional services included preparing a structural analysis of the proposed walls per Harris County Flood Control District criteria, plans, specifications, and estimates, force mains relocation design, relocation and replacement of existing storm sewer flap gate boxes, and an updated evaluation of the previous IH 610 bridge engineering report. Services also included an alternative final design, evaluation of existing bridge foundations capacity, and a recommendation on soil excavation impact. Construction cost: $11 million Telephone Road, Lawndale Street, South 75th Street, and Almeda Road Bridge Replacements – Binkley & Barfield | DCCM provided preliminary and final design and bid and construction phase services for the replacement of the four bridges. Binkley & Barfield | DCCM investigated the site, researched record drawings and existing utilities, and performed a topographic survey of the existing channel and bridges to supplement data. Binkley & Barfield | DCCM assisted with the coordination for lane configurations and sidewalk width to determine typical bridge sections and prepared exhibits showing alternatives for each bridge. Binkley & Barfield | DCCM prepared traffic control plans, local drainage design, stormwater pollution prevention plan, a drainage area map, hydraulic calculations, and drainage standards. Construction cost: $23 million Stella Link Road and Ardmore Street Bridge Replacements – Binkley & Barfield | DCCM provided the design, coordination, scheduling, and plans, specifications, and estimates for the replacement of the existing Ardmore Street bridge and addition of a new span to the Stella Link Road bridge. The project increased the hydraulic capacity of Brays Bayou by expanding the cross-sectional area under the bridges. The new bridge at Ardmore Street provided a U-turn, wider lanes, and sidewalks for community connectivity. The project included a compressed schedule to meet federal funding requirements, environmental issues, and utility.