Caltrans News Flash » Check out the special equipment the department deployed to clear an unstable, remote section of Highway 99 – three times.
Washington State Department of Transportation » As the front section of the giant SR 99 tunneling machine Bertha is cut and lifted from a disassembly pit, crews are hard at work disassembling the back end of the machine through the new tunnel. This short time lapse condenses more than a month’s work into less than 30 seconds.
Washington State Department of Transportation »The inner-workings of the SR 99 tunneling machine Bertha are now fully visible from the camera above the pit where disassembly continues. This brief time-lapse video shows what seven weeks of nearly non-stop work looks like as workers dismantle the five-story-tall tunneling machine.
TheJournal.ie » The Beipanjiang Bridge in China’s Guizhou province was completed on September 10, 2016 after three years of construction. The bridge is now the highest in the world at 565 meters (1,853 feet) above ground and spans 1,341 meters (4,399 feet) connect the Guizhou and Xuanwei provinces, shortening the travel time from 5 hours to less than 2 hours.
The Sacramento Bee » In this video, Kiewit, the company charged with repairing the Lake Oroville spillway, begins pouring concrete in the lower section of the chute onto recently cleaned rock.
Associated Press » Demolition crews triggered explosives Tuesday to bring down a bridge in Little Rock, Arkansas, but the structure’s arch and bridge deck remained upright. – October 11, 2016
EarthCam » Witness more than 42,000 hours of construction in just 4 minutes with this official time-lapse movie of the San Francisco-Oakland Bay Bridge.
Take this behind the scenes tour at the XKT Engineering Plant in Vallejo, CA where girders are fabricated for the new Pfeiffer Canyon Bridge on State Route 1 in Monterey County.
By adding steel wool to the binding agent in asphalt, developers at Delft University of Technology say they have created a material that will make roads self-repairing. — Futurism — May 14, 2017
Tunnel-borer Bertha may complete drilling the State Route 99 tunnel in Seattle this week after four years of work, state officials reported. The tunnel should be in use by 2019, replacing the Alaskan Way Viaduct. — KIRO7 — March 27, 2017
Go behind-the-scenes as Caltrans removes a dozen boulders that fell onto State Route 78 in northern San Diego County. — Caltrans News Flash — March 20, 2017
The truck is the product of a partnership between the Swedish automaker and the U.S. Department of Energy to boost freight delivery efficiency by 50 percent. — Commercial Carrier Journal — March 6, 2017
A 1990s documentary uses archival footage to detail the construction of the Oroville Dam, an earthfill embankment dam on the Feather River east of the city of Oroville, California, in the United States that was built during the period of 1961 to 1968. — The Sacramento Bee — February 24, 2017
The seemingly endless mudslides, both large and small, have made it an agonizing year for commuters on Highway 17. — NBC Bay Area — February 8, 2017
The $200 million construction project includes replacing all of the concrete on the I-75 Rouge River Bridge. — ClickOnDetroit — January 27, 2017
The classic white ceramic dot, a notable innovation in its day, appears to be a bad fit as a lane marker in the emerging new world of driverless cars that rely on cameras, radar and computers to “read” and understand lane lines. — The Sacramento Bee — January 20, 2017
It was all systems go for the second round of implosions at the old Antlers Bridge in Lakehead, California. — The Sacramento Bee — January 16, 2017.
Interior Secretary Sally Jewell issued an order Wednesday directing federal officials to complete a preliminary environmental review this month of the massive twin tunnels proposed for the Sacramento-San Joaquin Delta. — The Sacramento Bee — January 4, 2017
Video of yet another landslide on California Highway 299. — Redheaded Blackbelt — January 3, 2017
Seattle Tunnel Partners (STP) has released a video of construction crews performing routine maintenance on Bertha, the tunnel boring machine, which includes power washing the cutting head and replacing cutting tools that weight 75 pounds each. Bertha is outfitted with 700 cutting tools (or teeth). During this maintenance stop STP has inspected 400 teeth, replacing 25, and remains on schedule to resume digging at the end of July. — GeekWire — July 12, 2016
Nine years in the making, the Panama Canal Expansion opened on June 26, 2016. This time-lapse video shows the five years of construction on the Third Set of Locks (“Neopanamax” locks). The new locks will allow show ship than twice the current limit to pass through the Panama Canal. — gCaptain — June 25, 2016
The Washington State Department of Transportation (WSDOT) takes viewers on a behind the scenes construction tour of the new double-deck State Route 99 tunnel. WSDOT’s Deputy Administrator explains how the tunnel boring machine, known as Bertha, works to dig through the ground and place concrete rings to form the tunnel wall as she goes. Watch as the tunnel takes shape and construction crews build the framework and pour concrete for the roadway. It is estimated the new tunnel will use enough concrete to fill nine football stadiums. — GeekWire — July 14, 2016
TomoNews » The officials said the bridges were opened on September 26, and each has a capacity of 40 people. Visitors ignored the limitation warning and fought their way onto the bridge to take the ferry. The bridge collapsed due to overweight. – October 15, 2013