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/ 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 Lightweight, Durable, and Cost-Effective: Advancing Voided Concrete Technology with Engineered Cementitious Composites https://rip.trb.org/View/2646966 Tue, 06 Jan 2026 17:19:21 GMT https://rip.trb.org/View/2646966 Augmented Reality-Assisted Quality Control for Structural Component Placement in Bridge Construction https://rip.trb.org/View/2646964 Tue, 06 Jan 2026 17:16:26 GMT https://rip.trb.org/View/2646964 Enhancing Site Response Analysis for Bridge Infrastructure in the Southern Plains Region: Issues, Pitfalls, and Pathways to Improvement https://rip.trb.org/View/2646962 Tue, 06 Jan 2026 17:14:23 GMT https://rip.trb.org/View/2646962 Rehabilitation of Deteriorated Timber Piles Using Ultra High Performance Concrete https://rip.trb.org/View/2646939 Mon, 05 Jan 2026 22:38:43 GMT https://rip.trb.org/View/2646939 Interfacial Shear Transfer for Concrete Elements with Non-Corrosive Composite Reinforcement https://rip.trb.org/View/2646936 Mon, 05 Jan 2026 22:26:37 GMT https://rip.trb.org/View/2646936 Investigation of Dual Grade/Hybrid Steel Plate Girders Utilizing Stainless Steel https://rip.trb.org/View/2646068 Mon, 29 Dec 2025 11:32:26 GMT https://rip.trb.org/View/2646068 Constructability of Concrete Materials Infused With Silica-Rich Biochar For Bridge Applications https://rip.trb.org/View/2633322 Tue, 02 Dec 2025 16:36:45 GMT https://rip.trb.org/View/2633322 Evaluating Polymer Concrete As A Bonding Agent in Segmental Bridge Construction https://rip.trb.org/View/2633311 Tue, 02 Dec 2025 16:04:11 GMT https://rip.trb.org/View/2633311 Development Of Ultra High performance Concrete With Low-Density Flexible Fibers For Bridge Applications https://rip.trb.org/View/2633323 Tue, 02 Dec 2025 15:26:19 GMT https://rip.trb.org/View/2633323 IDOT, FHWA, USFWS, USACE Aquatic Species Bridge Replacement Programmatic Agreement https://rip.trb.org/View/2611029 Thu, 16 Oct 2025 09:15:35 GMT https://rip.trb.org/View/2611029 Dynamics, Drivers and Mitigation of Submerged Aquatic Vegetation (SAV) and Shoreline Change: Data Needs Associated with the Mid-Currituck Bridge https://rip.trb.org/View/2604610 Tue, 30 Sep 2025 14:53:37 GMT https://rip.trb.org/View/2604610 Low-Carbon Ultra High-Performance Concrete for Use in Highway Infrastructure https://rip.trb.org/View/2593948 Thu, 28 Aug 2025 11:57:13 GMT https://rip.trb.org/View/2593948 Polymer Concrete Joints for Precast Bridge Elements. Polymer Concrete for Bridge Deck Closure Joints in Accelerated Bridge Construction https://rip.trb.org/View/2582920 Tue, 05 Aug 2025 12:51:33 GMT https://rip.trb.org/View/2582920 Synthesis on System Performance of Accelerated Bridge Construction Connections in Moderate-to-High Seismic Regions https://rip.trb.org/View/2570612 Tue, 01 Jul 2025 14:02:07 GMT https://rip.trb.org/View/2570612