Life 360 looks at bridges. "Heavy Lifting" looks at efforts to make San Francisco's Bay Bridge safer for earthquakes and how the bridge is being taken apart and put together again even as traffic flows across it. "A Bridge Too Far" talks to a state trooper who helps people with severe...
The only materials a beam bridge requires are a crossbeam, such as a log, to span across the stretch of terrain and a support known as an abutment on either side. Most often, abutments are placed under the bridge at an angle to provide support and offset the weight of the bridge. The...
Drivers would also feel uncomfortablewhile driving across the bridge in fog. Look downand you will see the wild water below--the view istruly terrifying.【汉语对照】你敢在这些桥上走吗?1.美国科罗拉多州,皇家峡谷大桥这座桥始建于1929年,在(科罗拉多州)卡农市。2003年前这座桥保持了世界最高桥的纪录...
On March 27, 1968, a man walking across the bridge fell through an undiscovered hole in the concrete sidewalk and nearly fell through to the river.12He barely managed to grab the edge and pull himself back up to safety. The issue of the bridge’s deterioration, coupled with the collapse ...
(13.2 km). The Hong Kong–Zhuhai–Macau Bridge's main section, which links Hong Kong with Macau and Zhuhai, China, across the Pearl River estuary, consists of a 14.2 mi (22.9 km) bridge and 4.2 mi (6.7 km) tunnel; theChesapeake Bay Bridge-Tunnelhas two 1-mi (1.6-km) tunnels along...
Bridges, causeways, and underwater tunnels are all passageways that allow travel above, across, and beneath bodies of water such as rivers, bayous, and bays. On the other hand, these artificial structures can create barriers or obstacles to wildlife that live underneath and above these waters....
The Lake Ponchartrain Causeway Bridge is a 24-mile-long structure that connects New Orleans with Mandeville, Louisiana, across Lake Ponchartrain. Police have had to rescue anxious drivers who panic while crossing the bridge and stop their cars on the roadway. ...
I grabbed the wheel, shoved her foot off the gas with my own, and drove us across the Charles to the other side. It was a tunnel inside the car. No sound. A pinhole of light. We churned out onto Memorial Drive with the rest of the pack. Her window rattled, buffeted by hard gust...
Chesapeake Bay Bridge - Virginia This 23 mile bridge and tunnel originally opened in 1964, with another two lanes added in 1999. The tunnel portion goes underwater for almost a mile, allowing boats to travel across Chesapeake Bay. Manchac Swamp Bridge - Louisiana ...
While not nearly as high-profile as the Blackwell’s Island Bridge, Schneider designed another bridge in 1893: a replacement for his 1880 span across the Dutch Kills. The channel for boats was widened and demand to use the waterway was up, so the new swing bridge was larger, longer, and...