Research in Progress (RIP) https://rip.trb.org/ en-us Copyright © 2026. National Academy of Sciences. All rights reserved. http://blogs.law.harvard.edu/tech/rss tris-trb@nas.edu (Bill McLeod) tris-trb@nas.edu (Bill McLeod) Research in Progress (RIP) https://rip.trb.org/Images/PageHeader-wTitle-RIP.jpg https://rip.trb.org/ An Innovative Technology To Prevent Wind-Induced Fatigue Cracks In The Astoria-Megler Bridge https://rip.trb.org/View/2594025 Thu, 28 Aug 2025 15:43:01 GMT https://rip.trb.org/View/2594025 Innovative Precast Concrete Truss Using Adaptive Shape Memory Prestressing System https://rip.trb.org/View/2250305 Mon, 18 Sep 2023 21:56:33 GMT https://rip.trb.org/View/2250305 Initial Analytical Investigation of Cantilever and Butterfly Steel Overhead Sign Trusses with Respect to Remaining Fatigue Life https://rip.trb.org/View/1736392 Tue, 01 Sep 2020 13:15:44 GMT https://rip.trb.org/View/1736392 Monitoring Vibrations on Jefferson City Truss Bridge https://rip.trb.org/View/1372829 Tue, 27 Oct 2015 11:43:27 GMT https://rip.trb.org/View/1372829