Culvert Asset Management Data Error Analysis
Publication: International Conference on Transportation and Development 2024
ABSTRACT
This research investigates the quality and accuracy of the 2022 contributions to a geolocated database of culverts created by New Mexico Tech for the New Mexico Department of Transportation (NMDOT). The database was collected by trained field inspectors and reviewed by a quality control team. The database includes physical descriptions and condition appraisals for 11,499 culverts in fields, such as GPS location, material, span, end section damage, and erosion control. A random sample of 1,059 culverts, 9.2% of those collected, were analyzed, and 53 errors were clearly identified among 38 different culverts. 3.6% of culverts contain at least one error. GPS locations were required to be within 1.5 m (5 ft) horizontal accuracy; 7.0% of the total population (11,499) of culverts had a horizontal accuracy greater than 1.5 m (5 ft). Errors in the database affect culvert prioritization for maintenance and assessment by NMDOT. The analysis provides insights into how to improve the appraisal process and minimize future errors.
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Published In
International Conference on Transportation and Development 2024
Pages: 613 - 623
History
Published online: Jun 13, 2024
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