Survey

State of the Bridges

Illustration: Maximmmmum / stock.adobe.com

Article May 03, 2019
              Source: Roads & Bridges survey   Some illustrations in this section: made by Freepik from www.flaticon.com  
Arlington Memorial Bridge

Image: ARTBA

News April 03, 2019
The American Road & Transportation Builders Association (ARTBA) analysis of the recently released U.S. DOT 2018 National Bridge Inventory (NBI) database reveals that 47,052 of U.S. bridges are classified as structurally deficient and in poor condition.   Vehicles of all kinds cross these...
Mackinac Bridge in Michigan; bridge monitoring sensors

Image: Justin Billau [CC BY-SA 2.0] via Wikimedia Commons

News March 12, 2019
Researchers in the state of Michigan are planning to install up to 2,000 infrastructure sensors on the Mackinac Bridge in order to explore the logistics of a large-scale deployment and provide useful monitoring data to the Mackinac Bridge Authority (MBA).    According to a press release from the...
UAV drones
News April 26, 2018
The Arizona Department of Transportation (ADOT) is adding unmanned aerial vehicles (UAVs) to help its engineering staff safely and more efficiently inspect bridges and perform surveying work along state highways.   Through a federal innovative technology grant, ADOT has eight new aerial drones that...
UAV bridge inspection
Article October 05, 2017
Drones. Unmanned Aerial Systems (UAS). Unmanned Aerial Vehicles (UAV). Regardless of how they are referred, these highly versatile machines continue to gain traction, expanding beyond recreational use into commercial applications.   The civil engineering industry is a leader, exploring uses for the...
Virginia DOT to perform geological testing at Natural Bridge State Park
News October 05, 2017
As part of the Virginia Department of Transportation’s (VDOT) work with the Virginia Department of Conservation and Recreation at Natural Bridge State Park in Rockbridge County, a geological analysis is being performed on the formation known as Natural Bridge, atop which runs Route 11.   VDOT...
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