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First Pre-Cast Segment Reaches Corpus Christi Harbor Bridge Work Site

Tue September 11, 2018 - West Edition #19
Katherine Devlin – CEG Editorial Assistant


The segment weighs 135 tons and is the first of about 2,600. (Harbor Bridge Project photo)
The segment weighs 135 tons and is the first of about 2,600. (Harbor Bridge Project photo)
The segment weighs 135 tons and is the first of about 2,600. (Harbor Bridge Project photo) Each segment will be set on 50-ft. columns, according to Twitter posts from TxDOT and the Harbor Bridge Project. (Harbor Bridge Project photo) On Sept. 4, the Corpus Christi Harbor Bridge project reached a major milestone when the first pre-cast segment was transported to the North Approach area of the project. (Harbor Bridge Project photo) The segments will be transported to the construction site to be lifted onto the columns. (Harbor Bridge Project photo) According to the Harbor Bridge Project web site, upon completion, the Harbor Bridge will be “the tallest structure in South Texas. (Harbor Bridge Project photo) Demolition of the old bridge will take place following the completion and reopening of the new Harbor Bridge. (Harbor Bridge Project photo) The concrete segments are cast at the project’s pre-cast yard in Robstown, Texas. (Harbor Bridge Project photo)

On Sept. 4, the Corpus Christi Harbor Bridge project reached a major milestone when the first pre-cast segment was delivered to its North Approach. The segment weighs 135 tons and is the first of about 2,600. Each segment will be set on 50-ft. columns, according to Twitter posts from TxDOT and the Harbor Bridge Project.

According to the Harbor Bridge Project web site, upon completion, the Harbor Bridge will be “the tallest structure in South Texas.” It will be the longest cable stay bridge in the United States. The main span is 1,661 ft.; the main tower height is 538 ft.; and it will sit 205 ft. above Corpus Christi Bay.

The $802.9 million price tag includes development, design and construction of the new bridge; reconstruction of portions of U.S. 181, I-37 and the Crosstown Expressway; and demolition of the existing bridge. Work began with a groundbreaking ceremony in 2016 and the bridge is expected to be complete in 2020.

Lorette Williams, public information coordinator of Flatiron/Dragados LLC, design-build contractor of the project told CEG earlier in 2018, “The new bridge would have a positive economic impact on the area.”

Pre-Cast Segments

The concrete segments are cast at the project's pre-cast yard in Robstown, Texas. According to the project's September update, more than 480 segments are complete. The segments will then be transported to the construction site to be lifted onto the columns.

Columns Update

In June, crews completed drilling 40 shafts — each 10 ft. in diameter — for the columns. Each shaft was 200 ft. deep and more than 500 cu. yds of concrete was used to fill each shaft. On both ends of the future bridge, crews are working on the foundation footings. Each footing is 132 ft. long and 72 ft. wide. It will take more than 6,336 cu. yds. of concrete (approximately 750 truckloads) to build the footings. Crews expect to pour the first concrete lift on the south side by the end of September, according to the project web site.

North and South Approaches

On the south side, pile driving for the foundations is under way while on the north side 14 footings, 31 column lifts and five pier caps have been cast as of early September.

Crews are close to completing the assembly of the launching gantry crane, which will be used to place the pre-cast segments.

Demolition

Demolition of the old bridge will take place following the completion and reopening of the new Harbor Bridge. The new bridge allows TxDOT to improve safety and streamline the flow of goods throughout the area. It also provides economic opportunity for the Port of Corpus Christi.

For more information, visit harborbridgeproject.com.

CEG