The bridge is known locally as the Kissing Bridge and used by pedestrians to travel between Victoria Road and Church Road, Holywood.
Councillor Andrew Muir, a Holywood resident, said: “After a significant amount of lobbying I am glad to see Twisel Bridge tidied up and agreement reached concerning future upkeep.
“Two years ago Twisel Bridge and associated path was in a terrible state but after relentlessly raising the issue safe passage is possible, memorial stone cleaned up and formal agreement in place to ensure it doesn’t fall back into disrepair.”