Road Structures

Canadian construction company Aecon has withdrawn from a private group competing to construct and operate the Gordie Howe International Bridge between Canada and the US. Aecon’s departure comes only weeks before the Canadian government plans to announce the winning group. Construction of the bridge - costing more than US$3.7 billion and between Windsor in Canada’s Ontario province and Detroit in the US state of Michigan - is scheduled to start in the autumn 2018. Aecon’s chief executive reportedly denied

The Czech capital Prague will replace the deteriorating 90-year-old Liben Bridge at a cost of more than €20 million. The 370m-long bridge over the River Vlatava connects the city quarters of Holešovice and Libeň. It was closed to traffic for several weeks earlier this year for emergency but temporary repairs, according to Prague media. Replacement will include a similarly long bridge plus 400m of roads on either bank of the river but be built on the existing bridge piers. Like the old bridge , it will

The recent collapse of the Chirajara Bridge in Colombia has been attributed to design flaws. The Colombian Government has said that it will not pay for rebuilding the structure. Instead, the Colombian Government expects road company Coviandes and its insurance cover to pay for the rebuilding work. The remains of the collapsed structure have yet to be demolished completely. A number of contractors have expressed an interest in building the new bridge, with the work expected to take around 18-24 months to car

A new measure while drilling (MWD) tool is being offered by Epiroc that makes it easier to analyse drill conditions. Called Exploration Manager, this system optimises MWD data retrieval. The firm now offers upgraded software on units such as its Diamec Smart underground core drilling rig. The package can collate data recorded automatically during the drill cycle and also simplifies the workflow by letting the operator log what activity state the drill rig is in, directly on the control panel.

The Paris-based International Council on Monuments and Sites – Icomos- has objected to plans by Highways England for a road tunnel bedside the ancient monument Stonehenge. Icomos, which advises the United Nations on protection of world heritage sites, has written to Highways England urging a rethink of the planned tunnel that would be just under 3kmk long. It argues that the tunnel and the dualling of the A303 carriageways either side would damage the landscape and destroy archaeological evidence

A contractor in Texas has used equipment from Brokk to help out with a tricky highway project. Upgrading work has been carried out on a 6.4km-long stretch of I-35 in San Antonio between Loop 410 NE and Loop 410 S. This stretch of the route was carrying around 185,000 vehicles/day and was suffering increasing levels of congestion at peak periods. Travel times lengthened by 65% during rush hour, while ramps on opposite sides of the interstate caused additional congestion and safety issues. In one section, t

A new road development project in Myanmar is now underway. The work will see and improved connection between Paletwa and Zorinpui. The project is being carried out by the Indian contractor C&C Construction. The work is costing US$245.3 million. The deal was awarded in mid-2017 but construction work has been delayed until all the necessary approvals have been given.