Sunday , Sept. 29, 2024, 7:03 p.m.
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World / Mon, 27 May 2024 Interesting Engineering

Rolling bridge: Swiss flyover on wheels lets you ride over road repair

Individual components of the ASTRA Bridge that can be assembled overnight to make the flyover at work site: Image credit: ASTRA. The structure has ramps on both sides to let vehicles move up and down the flyover without much hassle. The current version of the ASTRA bridge is a little over 840 feet (257 m) long and nearly 25 feet (7.57 m) wide. Benefits of the ASTRA BridgeThe benefits of the ASTRA Bridge extend beyond the motorists who use it. Since traffic is flying over it, workers do not have to watch for approaching traffic when the work is on.

Individual components of the ASTRA Bridge that can be assembled overnight to make the flyover at work site: Image credit: ASTRA.

The structure has ramps on both sides to let vehicles move up and down the flyover without much hassle. The current version of the ASTRA bridge is a little over 840 feet (257 m) long and nearly 25 feet (7.57 m) wide.

This allows vehicles to take the ramp and move over the planned repair works without merging into a single lane.

The ASTRA Bridge’s specifications require vehicles to move at speeds of 37 miles (60 km) an hour or lower, but that’s a smaller price to pay than taking a diversion or hoping to be waved into the right lane to get out of a traffic block faster.

Benefits of the ASTRA Bridge

The benefits of the ASTRA Bridge extend beyond the motorists who use it. Since traffic is flying over it, workers do not have to watch for approaching traffic when the work is on.

The 15-foot (4.65 m) tall structure of the bridge gives workers ample space to work under the carriageway while also protecting them from excess heat and rain. Since the works do not interrupt vehicular movement, they can also be undertaken during the day, making the project less taxing for the workers, who otherwise have to work through the night.

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