John Hennessy III,
P.E.
OREGON DEPARTMENT OF TRANSPORTATION
ODOT’s 2015 Bridge Condition Report summarizes bridge condition ratings on state highways and performance measures based on National Bridge Inventory and ODOT data. As a consistent reference point for evaluation, ODOT uses the bridge conditions snapshot provided annually to the Federal Highway Administration. Data from the April 2015 submittal is the basis of this report.
ODOT has made enough progress on the east side of this project to open it to traffic. The contractor is getting ready to shut down for winter and pick up in 2016 for the final work.
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Earlier this summer, the Oregon Department of Transportation participated in an aerial inspection of the solar panels at the Baldock Solar Station Array. The inspection was performed by Aerial Inspection Resources, who flew a drone equipped with a high resolution infrared camera that can detect malfunctioning solar cells by the extra heat they emit. PGE owns the nearly 7,000 panel array that is located at the French Prairie Rest Area, south of Wilsonville, and was interested in seeing how they could save time and manpower by inspecting the panels with this type of system.
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Since 1987, the Oregon Department of Transportation has worked with partners to preserve, enhance and reconnect the Historic Columbia River Highway from an old road to a state trail with international significance. Much work has been accomplished – 63 of the original 73 miles are now open to travel. Only 10 miles are needed to complete the connection.
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The historic half viaducts on each side of the Salt Creek Tunnel on Oregon Highway 58 are being replaced. See how the bridge work is being completed while traffic is still being allowed through.
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TRANSPORTATION FOR AMERICA
The average age of these sub-par bridges is 55 years — over the typical design life of 50 years and 14 years older than the average age of all Oregon bridges (41 years old). More than one in twelve Oregon bridges were built before 1948 — which means more than 680 bridges are older than the Korean War and creation of Medicare.
Work crews are straightening out and widening OR140 east of Klamath Falls to help trucks and cars move more safely and more quickly.
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Joshua Cohen is a longtime SketchUp user and the owner of Fat Pencil Studio (fatpencilstudio.com). Based in Portland, FPS builds technical illustrations and compelling presentation for various industries.
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With the support of local stakeholders, Oregon DOT is moving on with an important project to reduce congestion.
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TRANSPORTATION RESEARCH BOARD
More than 10 scenarios were identified and modeled in this project. The analysis results indicate that both bus rapid transit and variable message signs contribute to improved reliability for the Southwest Corridor when the performance over multiple modes and facilities is being considered. Bus rapid transit contributes to improved corridor performance by increased ridership due to higher reliability, and variable message signs contribute to improved corridor reliability by balancing the arterial and freeway flow via information dissemination.
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