Grand Parkway &
US 290 Interchange
Harris County, TX
Pape-Dawson designed the 4,250’ steel and concrete eastbound/southbound direct connector and the 300’ southbound Mound Road overpass for a critical highway/tollway interchange in Harris County. Services included structural analysis and detailing of continuous curved trapezoidal steel box girders, pre-stressed concrete U-beams, inverted T-cap beams, and drilled shaft foundations. Portions of the direct connectors were designed for future depressed frontage roads along US 290. All bridge designs conform to American Association of State Highway and Transportation (AASHTO) load resistance factor design (LRFD) specifications.
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