Level of Service in Bridge Management Systems

by Wendy E. Zamborsky, Carnegie Mellon Univ, Pittsburgh, United States,
Sue McNeil, Carnegie Mellon Univ, Pittsburgh, United States,

Document Type: Proceeding Paper

Part of: Pacific Rim TransTech Conference—Volume II: International Ties, Management Systems, Propulsion Technology, Strategic Highway Research Program


The Federal Highway Administration's Sufficiency Rating is not adequate for evaluating bridges. It ignores fundamental bridge characteristics and is far too subjective. The Level of Service (LOS) Rating is less subjective and complies with the user's needs. Although the proposal of LOS was rejected by most states, a few states use their own form of LOS. This paper evaluates the LOS Concept.

Subject Headings: Bridge management | Systems management | Ratings | Bridge tests | Highway bridges | Maintenance | Highway and road management | Federal government

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