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12 their consultants. All road agencies have a statutory Duty of BRIDGE INSPECTION INVENTORY-- Care. The use of Highways Agency standards is one method FOREIGN AGENCIES of demonstrating sufficient care. Tables 8 and 9 list the structures and minimum sizes of struc- tures inspected by foreign road agencies. These include The management of the secondary and tertiary road net- bridges, culverts, and retaining walls in all countries, and work is complex. Responsibilities are shared among a variety tunnels, pipe bridges, sign bridges, and noise barriers in most of counties, boroughs, and cities. These local entities are countries. Finland inspects all structural assets of importance autonomous and can set their own rules, but most adopt some to the highway network, including decks on piles, retaining or all of the standards produced by the Highways Agency. walls, cable ducts, pipe ducts, culverts, and sluices.