Tag: Tennessee Department of Transportation

Roadbuilding

100 lbs. of Dynamite Used to Blow Up Tenn. Bridge

With nearly 100 pounds of dynamite, a two-lane bridge was destroyed in Clarksville, Tennessee, to make way for a four-lane span.

December 16, 2020

Roadbuilding

Michigan expands use of carbon fiber as alternative bridge material

Carbon fiber continues to grow in popularity as an alternative to steel-reinforced concrete bridges, and a recent report indicates the material can stand up to years of harsh weather. Lawrence Technological University tested carbon fiber reinforced polymer components for four years to determine how well they would endure the Michigan’s harsh weather and other conditions. […]

September 16, 2020

Roadbuilding

TDOT completes its largest project: I-440 in Nashville

Interstate 440 in Nashville has reopened following a $154.8 million rehab that was the largest project in Tennessee Department of Transportation history. The project involved replacing deteriorated concrete lanes with asphalt, with three lanes in each direction as well as auxiliary lanes. The roadway also includes new lighting, message boards, landscaping and ramp safety improvements. […]

July 20, 2020

Roadbuilding

Concrete railing of Chattanooga I-75 bridge collapses onto road below

Both lanes of Chattanooga's I-75 were temporarily closed on April 1, 2019, after a concrete railing fell from a bridge onto the roadway below. Details here.

April 4, 2019

Roadbuilding

Nashville gets ready for $152M makeover of I-440

The Tennessee Department of Transportation says heavy construction work is scheduled to begin March 1 on I-440 in Nashville. Get more info on Equipment World.

February 6, 2019

Roadbuilding

Tenn. DOT begins work on I-440 Reconstruction Project

The Tennessee Department of Transportation (TDOT) awarded a contract in August for the $152.9 million I-440 Reconstruction Project that will extend nearly 8 miles, from Interstate 40 to Interstate 24 in Nashville. As the video below explains, the concrete roadway was built in the 1980s and not intended to handle the more than 100,000 vehicles […]

November 16, 2018

Roadbuilding

Tenn. DOT: I-440 could be rebuilt 2 years faster by closing segments

TDOT is considering closing road segments rather than following traditional construction methods for the reconstruction on Interstate 440 at Nashville.

June 4, 2018

Roadbuilding

State DOTs selected for national drone experiment

The 10 participants chosen for the three-year national program will collect data from drones flying at night, over people and out of the pilot’s sight.

May 28, 2018

Roadbuilding

I-440 reconstruction plan for Nashville progresses, TDOT says

The Tennessee Department of Transportation has released the request for proposals for widening and revamping Interstate 440 in Nashville, with construction scheduled to begin this summer. TDOT says the project will involve replacing deteriorated concrete with asphalt, widening the road in each direction from two lanes to three including the bridges over I-65, and replacing […]

February 2, 2018

Roadbuilding

Remnants of old Tenn. iron bridge imploded

The video below shows the implosion of the remaining iron spans of the Hoskins-Jarnagin Bridge in Dandridge, Tenn. on December 21, 2017. The Standard Banner reports that the old, narrow bridge, which was completed in 1944, was removed to make way for a new $29 million concrete bridge. The center span of the bridge had […]

January 16, 2018

Roadbuilding

Highway graffiti on the rise in Tenn.

The Tennessee Department of Transportation has seen a spike in highway graffiti, reports WRCB TV news station. TDOT tells the station that graffiti incidents have tripled in the past five years, and each incident costs the agency $350 to $1,000 to clean. Tennessee state law makes it a misdemeanor to deface state property. Violators can […]

January 1, 2018

Roadbuilding

Safety improvements completed on Tenn. Route 10, more coming

Safety and drainage improvements on a portion of State Route 10 in Lafayette, Tennessee, have been completed. The $15.6 million reconstruction project involved adding a truck climbing lane, wider shoulders, turn lanes, retaining walls and drainage improvements, according to the Tennessee Department of Transportation. Construction began in June 2014 on the 1.8-mile project from south […]

November 13, 2017