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/ In-Stream Vegetation for Scour Control at High-Proximity Bridge Crossing Elements https://rip.trb.org/View/2706037 Sat, 23 May 2026 18:04:47 GMT https://rip.trb.org/View/2706037 Accelerated Bridge Construction (ABC) Methodology for Integral Abutments https://rip.trb.org/View/2509055 Wed, 12 Feb 2025 18:06:19 GMT https://rip.trb.org/View/2509055 SPR-4925: A Synthesis Study to Identify and Make Recommendations on The Appropriate Nondestructive Testing Tools for Bridge Beam Ends, Piers, Abutments https://rip.trb.org/View/2434096 Wed, 25 Sep 2024 09:12:34 GMT https://rip.trb.org/View/2434096 Passive Force Behavior for Skewed Bridge Abutments During Combined Lateral and Rotational Loading https://rip.trb.org/View/2427634 Thu, 12 Sep 2024 17:01:49 GMT https://rip.trb.org/View/2427634 Improving Safety by Eliminating the Bump at End of the Bridge Using Lightweight Backfill and Geosynthetics https://rip.trb.org/View/2341567 Mon, 19 Feb 2024 16:04:06 GMT https://rip.trb.org/View/2341567 Understanding the Interaction Between Total Scour Components https://rip.trb.org/View/2286623 Tue, 07 Nov 2023 11:51:53 GMT https://rip.trb.org/View/2286623 Measurement, Analysis, Prediction and Control of Cracking in Embankments and Bridge Abutments https://rip.trb.org/View/2262903 Fri, 06 Oct 2023 15:19:31 GMT https://rip.trb.org/View/2262903 Seismic Behavior of Hider Wing-Walls https://rip.trb.org/View/2190086 Fri, 02 Jun 2023 19:52:59 GMT https://rip.trb.org/View/2190086 Development of new design guidelines for protection against erosion at bridge abutments - Phase V https://rip.trb.org/View/1945932 Sat, 30 Apr 2022 11:42:25 GMT https://rip.trb.org/View/1945932 Remediating Disproportionate Approach Slab Settlements in Kansas Integral Bridges https://rip.trb.org/View/1902213 Fri, 07 Jan 2022 12:26:34 GMT https://rip.trb.org/View/1902213 Behavior of the Expanded Polystyrene (EPS) Elastic Inclusion at Integral Abutments https://rip.trb.org/View/1872849 Mon, 16 Aug 2021 07:57:19 GMT https://rip.trb.org/View/1872849 Development of New Design Guidelines for Protection Against Erosion at Bridge Abutments - Phase IV https://rip.trb.org/View/1867086 Mon, 19 Jul 2021 22:43:22 GMT https://rip.trb.org/View/1867086 Improvement of Approach Smoothness on Integral Abutment Bridges https://rip.trb.org/View/1843615 Fri, 26 Mar 2021 16:14:55 GMT https://rip.trb.org/View/1843615 RES2020-10: Guidelines for the Use of Expanded- Polystyrene (EPS) Block Geofoam as Lightweight Backfill Behind Retaining Walls https://rip.trb.org/View/1716727 Fri, 26 Jun 2020 16:27:39 GMT https://rip.trb.org/View/1716727 Development of New Design Guidelines for Protection Against Erosion at Bridge Abutments - Phase III https://rip.trb.org/View/1685056 Thu, 16 Apr 2020 16:03:32 GMT https://rip.trb.org/View/1685056