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US Transportation Collection US Transportation Collection

US Transportation Collection

The US Transportation Collection consists of documents from across all transportation modes with specific focus on research reports from US DOT, state DOTs, and other transportation organizations. Bookmark this collection: https://rosap.ntl.bts.gov/collection_ust or https://doi.org/10.21949/1530857.

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    Deterioration (228)
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  • Deterioration (228) Remove Filter
  • Coarse Aggregate Deterioration in Granular Surfaces and Shoulders
    Coarse Aggregate Deterioration in Granular Surfaces and Shoulders
    :
    Lamba, Kanika H ;
    Ashlock, Jeramy C.
    2025-04-01
    :
    The goal of this project was to characterize the relative performance and changes in microstructural and engineering properties for various types of c...
  • Modeling and Predicting the Deterioration of Pedestrian Assets Summary
    Modeling and Predicting the Deterioration of Pedestrian Assets [Summary]
    :
    CTC & Associates LLC
    2025-03-01
    :
    Pedestrian assets, particularly sidewalks, are highly susceptible to aging, adverse weather conditions, and suboptimal construction practices, often l...
  • Assessing the Deterioration of Pedestrian Assets
    Assessing the Deterioration of Pedestrian Assets
    :
    Nlenanya, Inya ;
    Smadi, Omar G.
    2025-02-01
    :
    Pedestrian assets, particularly sidewalks, are highly susceptible to aging, adverse weather conditions, and suboptimal construction practices, often l...
  • iBM Bridge Management Tool Brief
    i-BM: Bridge Management Tool [Brief]
    :
    Banaei-Kashani, Farnoush ;
    Rens, Kevin
    2025-02-01
    :
    Bridges and culverts deteriorate with time and use. While in the past, various data-driven deterioration models, including Bayesian models, probit mod...
  • Significant Factors of Bridge Deterioration Final Report
    Significant Factors of Bridge Deterioration: Final Report
    :
    Fick, Damon ;
    Bell, Mathew
    2024-12-01
    :
    Bridges structures deteriorate over time due to various factors. Understanding the factors that affect bridge deterioration rates is necessary for sta...
  • Development of Age and State Dependent Stochastic Model for Improved Bridge Deterioration Prediction Brief
    Development of Age and State Dependent Stochastic Model for Improved Bridge Deterioration Prediction [Brief]
    :
    Jia, Gaofeng ;
    Li, Min
    2024-09-01
    :
    Reliable and accurate assessment and prediction of bridge condition deterioration is critical for effective bridge preservation. Deterioration models,...
  • A Preliminary EvidenceBased Approach for Forecasting Cut Slope Deterioration
    A Preliminary Evidence-Based Approach for Forecasting Cut Slope Deterioration
    :
    Werley, Keara ;
    Walton, Gabriel
    2024-09-01
    :
    Constructed rock slopes may physically deteriorate over time, which can be represented with increasing rockfall frequency. Physical deterioration lead...
  • Development of Improved Inspection Techniques Using LiDAR for Deteriorated Steel Beam Ends
    Development of Improved Inspection Techniques Using LiDAR for Deteriorated Steel Beam Ends
    :
    Provost, Aidan ;
    Gerasimidis, Simos
    2024-08-01
    :
    This report summarizes the research on enhancing the current inspection protocols for MassDOT using 3D scanning technologies. The first part of the re...
  • BrM QuantityBased Bridge Element DeteriorationImprovement Modeling and Software Tools
    BrM Quantity-Based Bridge Element Deterioration/Improvement Modeling and Software Tools
    :
    Fu, Gongkang ;
    Bryk, Gabriel
    2024-02-01
    :
    This study reviewed the state of the art and practice in bridge element deterioration / improvement modeling. It also developed a new and practical me...
  • Revised Load Rating Procedures for Deteriorated Prestressed Concrete Beams
    Revised Load Rating Procedures for Deteriorated Prestressed Concrete Beams
    :
    Stripsky, Alex ;
    Breña, Sergio
    2023-08-01
    :
    The first prestressed concrete bridge in the United States was built in the early 1950s. Since then, several typical sections have been developed for ...
  • Developing a Culvert Inspection Manual and Estimating Culverts Deterioration Curve Inspection Frequency and Service Life for UDOT
    Developing a Culvert Inspection Manual and Estimating Culverts’ Deterioration Curve, Inspection Frequency and Service Life for UDOT
    :
    Mohammadi, Pouria ;
    Sherafat, Behnam
    2023-02-01
    :
    Culverts are among the most important assets of state transportation departments. As culvert inspection and maintenance are critical to the safe opera...
  • Development of Deterioration Curves for Bridge Elements in Montana
    Development of Deterioration Curves for Bridge Elements in Montana
    :
    Fick, Damon ;
    Bell, Matthew
    2022-10-01
    :
    The Federal Highway Administration has established measures for state departments of transportation to develop an asset management plan that includes ...
  • Concrete Deterioration of Prestressed Bridge Beams
    Concrete Deterioration of Prestressed Bridge Beams
    :
    Attanayake, Upul ;
    Berke, Neil
    2022-07-31
    :
    The mild to significant concrete deterioration observed on many prestressed concrete (PSC) beam bridges constructed in the 1970’s and 1980’s was s...
  • The Impacts of Deferred Maintenance in Minnesota
    The Impacts of Deferred Maintenance in Minnesota
    :
    Fonseca-Sarmiento, Camila ;
    Zeerak, Raihana
    2022-04-01
    :
    The roadway system is critical to social development, economic growth, and the overall quality of life. In the U.S., the condition of highways and roa...
  • Evaluation of Missouris NBI Data To Predict the Deterioration of Bridges
    Evaluation of Missouri’s NBI Data To Predict the Deterioration of Bridges
    :
    Washer, Glenn ;
    Myers, John
    2022-04-01
    :
    The objectives of this study were to develop deterioration curves for state-owned bridges in Missouri, study certain parameters that affect structure ...
  • Bridge and Culvert Deterioration Models Using National Bridge Inventory Data
    Bridge and Culvert Deterioration Models Using National Bridge Inventory Data
    :
    Weissmann, José ;
    Weissmann, Angela Jannini
    2021-12-01
    :
    This project developed and tested 44 bridge and 12 culvert deterioration models. Out of these, 38 bridge and 8 culvert models were validated and imple...
  • Ohios Research Initiative for Locals ORIL Research OnCall Task 1 Tree Canopy
    Ohio’s Research Initiative for Locals (ORIL) Research On-Call Task 1 – Tree Canopy
    :
    Khoury, Issam ;
    Garcia-Ruiz, Johnnatan
    2021-12-01
    :
    Premature deterioration of asphalt pavement has been observed in shaded areas, such as those under tree canopies or near tall buildings or hills. The ...
  • Assessment of Deteriorated Structural Concrete To Provide Durable Repairs
    Assessment of Deteriorated Structural Concrete To Provide Durable Repairs
    :
    Hopwood, Theodore ;
    Goff, Christopher
    2021-11-01
    :
    Most of the structural elements on Kentucky bridges are made of reinforced concrete. Many of these elements deteriorate as a result of corrosion of th...
  • Texas Culvert and Bridge Deterioration Models Implementation Manual
    Texas Culvert and Bridge Deterioration Models: Implementation Manual
    :
    Weissmann, José ;
    Weissmann, Angela Jannini
    2021-11-01
    :
    This report consists of a manual to be used in conjunction with Product 0-6979-P2, a set of 9 Excel workbooks that contain implemented bridge and culv...
  • Improved Load Rating Procedures for Deteriorated Steel Beam Ends with Deteriorated Stiffeners
    Improved Load Rating Procedures for Deteriorated Steel Beam Ends with Deteriorated Stiffeners
    :
    Gerasimidis, Simos ;
    Breña, Sergio
    2021-09-01
    :
    This study aims to provide evaluation policies for the bearing capacity assessment of plate girders with corroded ends. The developed methodology was ...
1 - 20 / 228
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