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/ Design and Testing of High-Load Multi-Rotational Disc Bearings for Bridges https://rip.trb.org/View/2669883 Mon, 16 Feb 2026 18:46:02 GMT https://rip.trb.org/View/2669883 Ultra-high performance concrete composite decks for long-span coastal bridges (OSU) https://rip.trb.org/View/2663233 Sat, 31 Jan 2026 12:05:58 GMT https://rip.trb.org/View/2663233 Establish Bridge Blast and Fire Damage Mitigation and Design Consideration https://rip.trb.org/View/2658327 Fri, 23 Jan 2026 16:09:32 GMT https://rip.trb.org/View/2658327 Thermal Effects on Concrete Substructure Elements https://rip.trb.org/View/2652209 Tue, 13 Jan 2026 14:58:04 GMT https://rip.trb.org/View/2652209 Shear Wave Velocity Measurements - Phase II https://rip.trb.org/View/2640695 Tue, 16 Dec 2025 09:39:09 GMT https://rip.trb.org/View/2640695 Estimating Environmental Load Demands Considering Weather Extremes to Enhance Resiliency of Oklahoma Bridges https://rip.trb.org/View/2633314 Tue, 02 Dec 2025 16:20:21 GMT https://rip.trb.org/View/2633314 Equitable Resilience-Informed Strategies for Flood Risk Mitigation in Nebraska's Transportation Infrastructure https://rip.trb.org/View/2627065 Wed, 19 Nov 2025 15:04:27 GMT https://rip.trb.org/View/2627065 Development of new design guidelines for protection against erosion at bridge piers and estimating effects of pressurized flow on erosion potential https://rip.trb.org/View/2627350 Wed, 19 Nov 2025 14:27:06 GMT https://rip.trb.org/View/2627350 In-Stream Vegetation as a Nature-Based Approach to Scour Control at Bridge Crossings https://rip.trb.org/View/2627352 Wed, 19 Nov 2025 14:20:41 GMT https://rip.trb.org/View/2627352 Methodology for Assigning Load Factors for AASHTO Rating Vehicle https://rip.trb.org/View/2613366 Fri, 24 Oct 2025 15:02:31 GMT https://rip.trb.org/View/2613366 Utilizing historic geotechnical data for the development of state-specific design correlations - Part 1: Data Entry https://rip.trb.org/View/2607966 Thu, 09 Oct 2025 12:53:58 GMT https://rip.trb.org/View/2607966 Develop Guidance on Drilled Shaft Response to Collision Force https://rip.trb.org/View/2606400 Thu, 02 Oct 2025 09:47:40 GMT https://rip.trb.org/View/2606400 Seismic Ground Motions for IDOT Geotechnical Assets https://rip.trb.org/View/2593917 Thu, 28 Aug 2025 09:41:56 GMT https://rip.trb.org/View/2593917 Superstructure Lifecycle Cost Determination: Best Practices and Guidelines https://rip.trb.org/View/2562330 Mon, 09 Jun 2025 13:48:53 GMT https://rip.trb.org/View/2562330 Design Guidance Development for Continuous Prestressed CFCC Strand Beams https://rip.trb.org/View/2562256 Fri, 06 Jun 2025 14:21:49 GMT https://rip.trb.org/View/2562256