return_cmd_error(STR_1024_AREA_IS_OWNED_BY_ANOTHER);

		}

		cost = (bridge_len + 1) * _price.clear_bridge; // The cost of clearing the current bridge.

		replace_bridge = true;

		replaced_bridge_type = GetBridgeType(tile_start);

	} else {

		/* Build a new bridge. */

		/* Try and clear the start landscape */

		ret = DoCommand(tile_start, 0, 0, flags, CMD_LANDSCAPE_CLEAR);

		if (CmdFailed(ret)) return ret;