A town may establish ordinances or by-laws to prohibit persons from riding or driving horses at a rate faster than a walk over any bridge within its limits which has cost not less than five hundred dollars, and may affix penalties not exceeding one dollar for a breach thereof.
Mass. Gen. Laws ch. 85, § 21
Regulation of speed on town bridges
Official source: Massachusetts Legislature. Reproduced from public-domain Massachusetts statutes; confirm against the official source for the current text. Not legal advice.