It was intended to ensure the upkeep of bridges, which at the time were usually made of wood and required regular maintenance in order to keep them open.

Section I empowered justices of the peace to look into matters of broken bridges and to arrange for their repair or rebuilding by, or at the expense of, those who were responsible for their maintenance.

Section III provided that in these cases, the justices of the peace were empowered to call before them the constables of every town and parish in the area responsible – in the absence of the constables, "two of the most honest inhabitants" would suffice – and, with their assent, assess and then tax every inhabitant for a reasonable sum to cover the cost of the work required.

3. c. 59) created some additional statutory provisions that had become necessary due to the effluence of time and events since the 1530 Act.

This included giving statutory weight to the common law title of the key technical officials engaged for these functions by the Crown, namely, the county surveyor of the county responsible for the upkeep of subject bridges, and the roads over them for 100 yards past the ends of the bridge.