Flood Assessment System for TxDOT

Maidment, David; Passalacqua, Paola; Bartos, Matt; Timilsina, Sujana; Oh, Jeil; Carter, Andy; Whiteaker, Tim; Evans, Harry; Thies, Christine; Jantzen, Larry; Ables, Matt; Bibok, Attila; Austin, Barney; Osting, Tim; Grzyb, Scott; Avant, Jody; Thomas, Jon; Nyman, Michael; Blickenstaff, Kristine; University of Texas at Austin. Center for Transportation Research; United States. Geological Survey (USGS); KISTERS; Aqua Strategies, Inc.

doi:10.36501/0197-9191/25-003

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ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners. As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.

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Flood Assessment System for TxDOT

2024-12-13
By Maidment, David ; Passalacqua, Paola ; Bartos, Matt ; ...

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Creators:

Maidment, David ; Passalacqua, Paola ; Bartos, Matt ; Timilsina, Sujana ; Oh, Jeil ; ... More +

Maidment, David ; Passalacqua, Paola ; Bartos, Matt ; Timilsina, Sujana ; Oh, Jeil ; Carter, Andy ; Whiteaker, Tim ; Evans, Harry ; Thies, Christine ; Jantzen, Larry ; Ables, Matt ; Bibok, Attila ; Austin, Barney ; Osting, Tim ; Grzyb, Scott ; Avant, Jody ; Thomas, Jon ; Nyman, Michael ; Blickenstaff, Kristine Less -
Corporate Creators:

University of Texas at Austin. Center for Transportation Research ; United States. Geological Survey (USGS) ; KISTERS ; Aqua Strategies, Inc.

University of Texas at Austin. Center for Transportation Research ; United States. Geological Survey (USGS) ; KISTERS ; Aqua Strategies, Inc. Less -
Corporate Contributors:

Texas Department of Transportation. Research and Technology Implementation Office ; United States. Department of Transportation. Federal Highway Administration

Texas Department of Transportation. Research and Technology Implementation Office ; United States. Department of Transportation. Federal Highway Administration Less -
Subject/TRT Terms:

[+]

Decision Support Systems Disaster Preparedness Floods Highway Bridges Real Time Information Risk Management Streamflow Stream Gages
Publication/ Report Number:

FHWA/TX-25/0-7095-1
DOI:

https://doi.org/10.36501/0197-9191/25-003
Resource Type:

Tech Report
Geographical Coverage:

Texas ; United States

Texas ; United States Less -
Edition:

Technical Report September 2020 to October 2023
Corporate Publisher:

University of Texas at Austin. Center for Transportation Research
Abstract:

The National Weather Service (NWS) operates a National Water Model that continually forecasts water flow throughout the stream network of the United States, including 190,000 miles of streams divided into 100,000 stream reaches in Texas. The NWS has also deployed real-time flood inundation mapping to about half of Texas, and it will complete coverage of the state by 2025. This project builds on these services to show flood impact on the road and bridge system. To help densify the streamflow observation network for Texas, 80 radar streamflow gauges were installed on TxDOT bridges, whose data are now ingested by the NWS. The researchers created a data assimilation scheme that adjusts the forecasts of the National Water Model in real-time using data from the TxDOT gauges. A Flood Assessment System for TxDOT was created that comprises a web-based overlay of current and predicted flood information. This system includes a prototype bridge warning service describing real-time water levels at 19,000 span bridges in Texas. A road elevation model was created for the 11-county TxDOT Austin District which comprises 3.8 billion LiDAR points covering 38,000 miles of roadway. The state-wide bridge warning system and the road elevation model are a first for TxDOT and for Texas.
Format:

PDF
Funding:

TxDOT RTI Project 0-7095
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha-512:c805a162cd2a6d953e4197004904b984126cb3a3d8a590a301e00e46fd73320d10b2944c2b1d9803bd2f1ae07e37c68d6921d91404efd65fb9374f16b843fb10
Download URL:

https://rosap.ntl.bts.gov/view/dot/83464/dot_83464_DS1.pdf
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Flood Assessment System for TxDOT

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