{"data":{"id":"us/23-cfr-650.809","jurisdiction":"us","citation":"23 CFR 650.809","heading":"Movable span bridges.","body":"A fixed bridge shall be selected wherever practicable. If there are social, economic, environmental or engineering reasons which favor the selection of a movable bridge, a cost benefit analysis to support the need for the movable bridge shall he prepared as a part of the preliminary plans.","path":["Title 23—Highways","CHAPTER I—FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER G—ENGINEERING AND TRAFFIC OPERATIONS","PART 650—BRIDGES, STRUCTURES, AND HYDRAULICS","Subpart H—Navigational Clearances for Bridges"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-23.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:50Z","sha256":"78cd2612ab973fd8b6d354d9a6672a45bd8b726dc18a4021f4bd7815da8c0995","source_id":"us-cfr","stale":true,"prev":"us/23-cfr-650.807","next":"us/23-cfr-655.601"},"notice":"GroundRules: Original legal text. Not legal advice."}