Blogs

Loft identity

first_imgWould you like to read more?Register for free to finish this article.Sign up now for the following benefits:Four FREE articles of your choice per monthBreaking news, comment and analysis from industry experts as it happensChoose from our portfolio of email newsletters To access this article REGISTER NOWWould you like print copies, app and digital replica access too? SUBSCRIBE for as little as £5 per week.last_img

Height a question for new Columbia River bridge

first_imgPORTLAND — Seven years after the start of planning, the height of a proposed Columbia River Crossing is still up in the air as planners face a permit deadline for the new Interstate 5 toll bridge between Portland and Vancouver. Engineers are redesigning the bridge to increase the clearance for ship and barge traffic.Changing the height affects other aspects of construction such as highway grades, size of onramps, and even flight plans for Vancouver’s Pearson Field. In addition, construction costs increase with the height of the bridge.Planners must settle on a height before the Jan. 30 deadline to file the permit application with the Coast Guard, The Oregonian reported Tuesday.In March, after $140 million had been spent during seven years of planning, the Coast Guard said the proposed 95-foot clearance was too low and would block some ships or loads carried on barges.The Coast Guard must approve the height of bridges on navigable waterways. Planners have been analyzing possible bridge clearances, calculating effects and costs at each increment. They’re narrowing in on a decision of 115 or 116 feet, the newspaper said.last_img read more