16 days of congestion coming to I-90 east across Mercer Island

Getting to Bellevue from Seattle on I-90 is not going to be easy for the next three weeks. Expansion joint repair before I-405 is expected to cause big delays. It has taken 20 months, but the state is finally going to replace the expansion joint on eastbound I-90 at the East Channel Bridge. It failed […]

I-65 south lanes to reopen at Kennedy Bridge by end of week

Good news for drivers in southern Indiana: The three left lanes on the approach to the I-65 Kennedy Bridge are set to reopen by the end of this week. These lanes were closed last month for contractors to make temporary repairs to a damaged expansion joint. Two lanes have reopened already, and the leftmost lane […]

How and Why Bridges Are Made to Move

Everyone talks about the weather, but it falls to civil engineers to actually do something about it. Weather and temperature affect everything we use, from car batteries to bridges. When temperature causes changes in structure, it’s referred to as thermal expansion or thermal contraction, and it’s a phenomenon. you have to carefully control for if […]