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3. While it is expected that the new Federal standards for bridge inspections, programs for training of inspectors, the Guide, and the AASHO Manual for Maintenance Inspections will become known to many state and local authorities responsible for bridges not in the Federal-Aid System, there is no requirement that such authorities implement the intent of these documents. (82, 83)
4. The bridge safety requirements of the Federal-Aid-Highway Act of 1968 have created the situation wherein bridges in the Federal-Aid System are required to meet rigorous Federal standards for inspection and maintenance, while the majority of the bridges in the country are not subject to those standards, except as voluntarily adopted. (82, 83)